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Note: This product comes UNMATED. Therefore if you order 10 yards, it equals 5 yards of fastened material.
Multiple-yard orders will be combined into rolls.
3M™ Dual Lock™ Plain Back Reclosable Fastener SJ3780/3440 mates to itself, to Type 170 and to Type 400. Black, polypropylene reclosable fastener with 250 stems per square inch. For attachment to fabrics via sewing or to wood or similar surfaces using staples. Meets many automotive certifications.
NO ADHESIVE BACKING ON THIS PRODUCT.
3M™ Dual Lock™ Plain Back Reclosable Fasteners offer advanced closure alternatives to zippers, screws, snaps, hooks, bolts, and more. They offer greater design flexibility, faster product assembly, smoother and cleaner exterior surfaces and improved product performance in many applications. The fasteners consist of continuous strips of polyolefin with polyolefin stems having a mushroom-shaped top. The mushroom heads allow the fasteners to easily slide over each other allowing positioning of parts before they are snapped together creating a firm fastening attachment. Simply peel the pieces apart by hand to disengage. 3M ID: 70-0705-2102-9 UPC: 0-00-21200-65808-2
* 3M has phased out this part number because it is a duplication. SJ3780 is the same part, and will be the part number retained by 3M.
See our By the Yard, Pre-Cut Coins, or Pre-Cut Strips selections in 3M™ Dual Lock™ section! We have other widths or offer a slitting service.
Cut-To-Size Service, we can provide laser or die cut strips, circles or shapes so forward your dimensions and quantity to Sales@iTapeStore.com for an estimate.