Dual Lock SJ3442 Reclosable Hook and Loop Fastener, 1/2 in W x 50 yd Roll L, Black

Dual Lock Hook and Loop Fastener, Reclosable, 50 yd Roll Length, 1/2 in Width, Black, Polyolefin Backing, 200 deg F

• Open and close fasteners hundreds of times
• An audible snap announces that the fastener is engaged
• Resists high temperatures, solvents and contamination
• Has 170 stems/sq-in density
• Unique mushroom shaped heads snap shut and stay locked
• Interlocking mushroom shaped heads have 5X the tensile strength of hook and loop products
• When the mushroom shaped stems interlock, tensile strength is high enough to replace mechanical fasteners
• 1000 cycle life