Bulina

3M Dual Lock SJ3550A 1 8ft Black Reclosable Fastener Mounting Tape Interlocking Mushroom Shaped Strong Adhesive Hook Lock

$22.99

153+ bought in the past month

About this item

  • FEATURE: Dual Lock Reclosable Fastener SJ3550 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 and plastics such as acrylics, polycarbonate and ABS. Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times.Features good temperature resistance of 200°F (93°C).
  • APPLICATION: The Dual Lock Reclosable Fastener SJ3550 is versatile for a wide range of applications. It securely mounts and fastens items like whiteboards, power strips, under-cabinet lights, wall graphics, drone accessories, pedal boards, mirrors, and trade show kiosks. In homes and offices, it attaches wood blinds, soundproofing panels, office signs, exit lights, shower accessories, wreaths, and garlands. It's also ideal for RVs, where it can mount surveillance cameras, motion sensors, and other accessories. The fastener offers a durable, reclosable solution for various surfaces and environments.
  • OUTDOOR USE: The Dual Lock Reclosable Fastener SJ3550 is also perfect for outdoor use, thanks to its UV resistance and waterproof properties, making it ideal for holiday decorations and other exterior applications. In automotive and marine environments, its high-temperature rating and waterproof features ensure reliability for mounting toll transponders, boat accessories, and motorcycle accessories. Whether for outdoor setups or vehicles, this fastener offers a secure, durable solution for a wide range of demanding applications.
  • INSTALLATION AND REMOVAL: At room temperature, approximately 50% of the ultimate strength will be achieved after 20 minutes, 90% after 24 hours and 100% after 72 hours. Spraying alcohol on the tape then it is easy to peel off. Please clean the bonding surface and do not touch the stick layer before using, if anything touched the stick layer. It will peel away.
  • BOND SMOOTH SURFACE: Bonds most painted metal and plastic without surface residue or abrading. Specially formulated synthetic adhesive bonds most paints and powder coats, as well as window materials such as glass, acrylic, and polycarbonate, stone and wood.
$22.99

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Product details
BrandBulina
ColorBlack
MaterialAcrylic
Size1"×8ft
Style1 Pack

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Customer reviews

4.7749 ratings
  1. 588%
  2. 413%
  3. 30%
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Customers say

Customers find the hook fastener effective for pedal boards and appreciate its strong adhesive that stays in place.

★★★★★

Strong and reliable

Dan AshleyMarch 2, 2026✓ Verified purchase

Very strong locking Velcro, great for many uses cases. Read more

★★★★★

Love this stuff

BryanJanuary 19, 2026✓ Verified purchase

Love this stuff. I use it in an industrial setting at work, and at home for random things. It sticks really well even in the heat and mess of a fabrication shop. I don't think I've ever had them unstick. The lock system is great and you need a lot less than you think you do. In fact if you use too much your parts become difficult to separate. Highly recommended if you need something like normal velcro but a lot stronger. Read more

★★★★★

Incredibly strong holding power that lasts and lasts.

Just BecauseJanuary 11, 2026✓ Verified purchase

This fastener tape is absolutely game changing. I’ve used Velcro for years. This is just on a whole other level. The adhesive backing is extremely strong as I’ve removed guitar pedals from my board several times and everything remains attached. Speaking of attached, this stuff is strong. A little goes a long way. You don’t need nearly as much to keep things as attached and stable compared to Velcro. Consider yourself warned because you’ll have a heck of a time trying to remove pedals from your pedal board if you use too much. I’ve used the stuff for so many things around the house and I continue to find uses for it. While it’s not cheap, you won’t be replacing it like you do Velcro. I really do like this stuff and I think you will too. Read more

★★★★★

Very strong

BryanMarch 6, 2026✓ Verified purchase

This stuff is strong. Better than typical Velcro Read more

★★★★★

You won't be disappointed...

Tp52February 2, 2026✓ Verified purchase

This is not the velcro you're typically familiar with. It works like velcro in concept but much better. A little bit of this goes a long way as it is very strong. The adhesive that's on the back side is extremely aggressive...in other words once you stick it, it's not coming off easily. I've used this to mount electronic equipment under shelves and to mount valances over window blinds and a few other things. It's solid. Works just like velcro but its not made of same material velcro is made of. Read more

★★★★☆

Easy to apply. Stays put

Mitchell WellsAugust 18, 2025✓ Verified purchase

The original and the best. I’ve tried other brands. Read more

★★★★★

No BS comment- real person.

Michelle B.March 9, 2026✓ Verified purchase

Used product to mount guitar pedals (metal to wood), strong adhesive. 2 years still holding strong. Rating is a 5 because it works . No BS comment. real person, no Bots. Read more

★★★★★

Used for effect pedals

nickMarch 3, 2026✓ Verified purchase

Works great for effect pedals and even holds my modeler down. Read more

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