3M Dual Lock options...
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Dual Lock™ fasteners are intended to replace mechanical-type fasteners while retaining the secure fastening, adjustability and ease of use that Dual Lock fasteners offer. 400/250/170 refer to the number of stems or mushrooms per square inch. Type 400 mates to itself, providing maximum strength and engagement. We also offer Types 250 and 170 for a more semipermanent closure where Type 170 mates to Type 400 for less strength. Six different combinations are possible in the Dual Lock™ family to achieve the ease of release your application requires.
3M Dual Lock options...