3M SJ3402-2X50-BLK ~ Hook Fastener SJ3402 Black (2 Inch x 50 Yards)3M Hook Fastener SJ3402, Black, 2 in x 50 yd (50. 8 mm x 45. 7 m) The 3M Hook Fastener SJ3402 is one part of a two part fastener solution designed to provide great durability for thousands of closures This non adhesive fastener is most commonly sewn, but can be attached with a variety of hot melt or liquid adhesives This fastener allows for easy and convenient attachment to a variety of substrates It is an attachment alternative to a wide variety of