3M™ Dual Lock™ Reclosable Fastener SJ3561, Clear, 2 in x 50 yd, Type 400, 1 Roll/Case

3M™ Dual Lock™ Reclosable Fastener SJ3561 is the convenient alternative to traditional fastening methods, such as screws, nuts or bolts. It is designed to deliver a durable, reclosable fastening solution (which can be opened and closed multiple times) which bonds to a variety of substrates including metals, glass and plastics such as acrylics, polycarbonate and ABS.
Special Price $1,193.27 Regular Price $1,403.85
UPC 00048011579825
3M ID 7010334840
Packaging Roll
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Unlock Simplicity

Durable and secure, 3M™ Dual Lock™ Reclosable Fastener SJ3561 has exceptional strength through its interlocking mushroom-shaped heads (400 stem density per square inch), providing up to 5X the tensile strength of typical hook-and-loop products. 3M designed this fastener with a clear, acrylic, tape protected by a removable, film liner. This solid, pressure sensitive tape features a strong, durable bond that is heat, chemical and UV resistant. With 3M™ Dual Lock™ Reclosable Fastener SJ3561, there is no need for any drilling, screwing or sewing tools which makes for quick installation.

Recommended Applications

Architectural panels Graphic attachment Specialty vehicles (interior attachments) General industrial attachment

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Design Flexibility

3M™ Dual Lock™ Reclosable Fastener SJ3561 consists of interlocking mushroom-shaped heads that easily slide over each other, allowing for positioning of parts before being snapped together. This fastening process creates a durable attachment and provides fast product assembly with great design flexibility. These reclosable fasteners can also engage with different stem densities for varying levels of strength and system performance.

3M™ Dual Lock™ Reclosable Fasteners sound an audible snap when secure, which verifies closure of the attachment. To disengage, simply peel the pieces apart by hand. The fasteners maintain their strength throughout multiple attachments and detachments. A lightweight alternative to metal fasteners, this product remains hidden beneath surfaces and does not interfere with the integrity of your material—providing aesthetic improvements and design flexibility.

Hundreds of Reattachments in a Snap

When two pieces of 3M™ Dual Lock™ Reclosable Fasteners mate, the stems flex and the mushroom heads slide past each other. After passing the opposing mating piece, the stems snap back into their original position and the opposing mushroom heads interlock. These fasteners can provide high tensile strength but can be opened by simply cleaving or peeling open the closure. This product is well suited for many indoor and outdoor applications where a high strength and versatile reclosable fastening system is required.

Delivers Long-Lasting Performance

Not all design requirements are easily satisfied, but you can simplify your attachments. When you need a strong, reliable, yet removable closure, 3M™ Dual Lock™ Reclosable Fasteners are the easy alternative to traditional fastening methods such as screws, nuts or bolts.


  • INSTANT ATTACHMENT WITHOUT HOLES: No drilling holes or hassling with screws, nut and bolts eliminating holes reduces potential for corrosion or weak spots
  • STRONG & SECURE: 5X stronger than traditional hook and loop, the 3M reclosable fasteners click together with an audible "snap" for your confidence in secure attachment
  • SMOOTH AESTHETICS: Attachment with the 3M VHB tape technology eliminates any visible mechanical fasteners, creates a sleeker design, and improves the final look of your project
  • OPEN & CLOSE WITH EASE: Designed for opening and closing up to 1,000 times
  • IDEAL FOR REMOVABLE COMPONENTS: RV and boat accessories (access panels, headliners, interior panels, blinds, dashboards), guitar pedal boards, surveillance cameras, drone accessories (battery packs, strobe lights), power strips, motorcycle aftermarket components sensors, lighting, devices, keyboards, electronics, monitors, access panels, POS displays, and more
  • HOW TO APPLY: Just peel and stick a piece of 3M Dual Lock Reclosable Fastener to each of the two clean surfaces you want to attach and then your two surfaces can easily be attached by pressing the 3M Dual Lock Reclosable Fastener together
More Information
3M ID 7010334840
Part number SJ3561
Keywords 3M, Dual Lock, Reclosable Fastener, SJ3561, fastening solution, traditional fastening, interlocking mushroom-shaped heads, substrates, metals, glass, plastics, acrylics, polycarbonate, ABS, indoor use, outdoor use, strong fastener, audible snap, secure fastening, hidden fastener, temperature resistance, design flexibility, architectural panels, graphic attachment, specialty vehicles, industrial attachment, toll transponders, clear acrylic tape, pressure sensitive tape, heat resistance, chemical resistance, UV resistance, lightweight fastener, multiple attachments, multiple detachments, high tensile strength, easy installation, alternative to screws, alternative to bolts, automotive, commercial solutions, design & construction, electronics, energy, manufacturing, transportation, aerospace, bonding & assembly, building maintenance, DIY, electrical construction, equipment maintenance, facility maintenance, government, graphics & signage, interior attachments, marine,
Global Product Hierarchy Tapes > Reclosable Fasteners > Mushroom Hook Fasteners
Adhesive Color Transparent
Application Interior Mirror & Fixture Attachment, Trim & Molding Attachment, Wall & Door Panel Attachment
Color Family Transparent
Product Number SJ3561
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Dual Lock™
Country of Origin United States
Sales Unit RO
SAP Shelf Life In Days 730
Base - Billing Unit ROL
Base - Customary Height Dimension 20.25
Base - Customary Length Dimension 2
Base - Customary Width Dimension 20.2519685
Base - Metric Gross Weight 4.391 KG
Base - Metric Height Dimension 51.435 CM
Base - Metric Length Dimension 5.08 CM
Base - Metric Width Dimension 51.44 CM
Base - Item Quantity 1
Base - Unit ROL
Consumer - Billing Unit ROL
Consumer - Customary Gross Weight 9.680497932537975 lbs
Consumer - Customary Net Weight 9.230754917680825 lbs
Consumer - Customary Height Dimension 20.25 in
Consumer - Customary Length Dimension 2.0 in
Consumer - Customary Width Dimension 20.251968503937007 in
Consumer - Metric Cubic Dimension 0.475 FT3
Consumer - Metric Net Weight 4.187 KG
Consumer - Metric Height Dimension 51.435 CM
Consumer - Metric Length Dimension 5.08 CM
Consumer - Metric Width Dimension 51.44 CM
Consumer - Item Quantity 1
Consumer - Total Unit Quantity 1
Consumer - Previous Packaging Level Quantity 1
Consumer - Item Unit RLS
Consumer - Unit ROL
Shipper - Billing Unit ROL
Shipper - Customary Cubic Dimension 1210.8862820087845 ci
Shipper - Customary Gross Weight 10.54999888997251 lbs
Shipper - Customary Net Weight 9.22999873212153 lbs
Shipper - Customary Height Dimension 2.75 in
Shipper - Customary Length Dimension 20.983858267716535 in
Shipper - Customary Width Dimension 20.983858267716535 in
Shipper - Metric Cubic Dimension 19842.871 CCM
Shipper - Metric Weight 4785.399 G
Shipper - Metric Net Weight 4186.657 G
Shipper - Metric Height Dimension 6.985 CM
Shipper - Metric Length Dimension 53.299 CM
Shipper - Metric Width Dimension 53.299 CM
Shipper - Item Quantity 1
Shipper - Total Unit Quantity 1
Shipper - Previous Packaging Level Quantity 1
Shipper - Previous Packaging Level Unit RLS
Shipper - Item Unit RLS
Shipper - Unit CS
Pallet - Billing Unit ROL
Pallet - Customary Cubic Dimension 82152.00111502585 ci
Pallet - Customary Gross Weight 583.9979186598752 lbs
Pallet - Customary Net Weight 479.9595725122096 lbs
Pallet - Customary Height Dimension 40.75 in
Pallet - Customary Length Dimension 48.0 in
Pallet - Customary Width Dimension 42.0 in
Pallet - Metric Cubic Dimension 1346230.1 CCM
Pallet - Metric Net Weight 217.706 KG
Pallet - Metric Height Dimension 103.505 CM
Pallet - Metric Length Dimension 121.92 CM
Pallet - Metric Width Dimension 106.68 CM
Pallet - Item Quantity 52
Pallet - Total Unit Quantity 52
Pallet - Previous Packaging Level Quantity 52
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit RLS
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 13
Pallet - Shipping Container Per Layer Quantity 4
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