The screw applied mount for Tak-Ty hook and loop cable ties in natural uses #6 (M3) screw. It is 1.12" long x 1.12" wide (28.5 x 28.5 mm) and made of flame-retardant nylon 6.6, which increases mechanical strength, heat and wear resistance, and stiffness. It is used with HLT/HLS Tak-Ty hook and loop cable ties, is designed for indoor environments, and comes in packages of 25. .. see full description