These Dart Style Push Mount Cable Ties have a push-mount head that snaps into a 0.250" diameter hole, with a wing design that grips the inside of the panel hole. They allow you to bundle your products and attach the bundle securely to sheet metal, wood, and cast iron. These ties are cost effective quality design, and easily installed. They are made from Nylon 6/6 for high impact and tensile strength. They are self-extinguishing and non-corrosive. Parts shown on this page have a minimum tensile strength of 50 Lbs.