NYLON CABLE TIES FEATURE DURABLE NYLON 66 CONSTRUCTION WITH A REINFORCED HEAD AND STRAP TRANSITION FOR ADDED STRENGTH THEY MAY BE USED FOR BUNDLING MULTIPLE WIRES OR CABLES RATCHETING ACTION TO TIGHTEN ROUNDED HEAD REDUCES SNAGS 2-SIDED FINGER-GRIP DESIGN HELPS INSTALLER GRASP AND PULL TIE SNUG THESE TIES MAY ALSO BE CALLED ZIP TIES OR TIE WRAPS