3M™ Screw Mount Cable Ties allow controlled positioning of standard and heavy duty cable up to 120 lb. The easy-to-use ties are made with high quality 6/6 nylon and can be quickly mounted to walls and structures with screws, bolts or rivets for added security. The 3M™ Screw Mount Cable Tie CT15NT50S-D is 15.1" in length. Natural. 50 lb tensile strength. 500 pcs/bag.