Black 3M SJ3540 Dual Lock Strips - ³⁄₄" x 150'

USAGE:
 * One roll of 150' will have to be cut in half to have
   2 strips (75' bonded).
 * Not a 'hook & loop' system - item locks onto itself.

ADHESIVE:  Black rubber-based foam adhesive backing.

COMPATIBILITY:
 * Recommended:
   - Type 250 with Type 250
   - Type 170 with Type 400
   - Type 170 with Type 250
   - Type 250 with Type 400 (Highest performance)

 * Not recommended:
   - Type 400 with Type 400.
   - Type 170 with Type 170.

MISCELLANEOUS:
 * Hard plastic mushroom-shaped stems interlock.
 * Audible snap assures secure closure.
 * Removable liner.
 * Maximum bond achieved 72 hours after initial application.
   Surfaces must be clean, dry, free from oil.