These P cable clamps are used to bundle and secure wires, cables and conduit to walls, soffits, joists etc. and any other location required to keep organized and tidy. Physical Characteristics Color Black/White Material Polyamide (PA66), Nylon 6/6 Bundle Diameter 5mm/ 6.35mm/ 7.2mm/ 12.7mm/ 19.4mm/ 25.4mm Style P-Type Mount Type Screw Mount Mounting Hole Diameter 5mm : 4.8mm6.35mm : 4.6mm7.2mm : 4.8mm12.7mm : 5.0mm19.4mm : 4.8mm25.4mm : 5.0mm Measurements (LxW) 5mm : 18.5mm x 9.6mm 6.35mm : 20mm x 10.1mm7.2mm : 22.6mm x 10mm12.7mm : 30.3mm x 12.2mm19.4mm : 37.3mm x 11.8mm25.4mm : 43.4mm x 12.0mm Environmental RoHS Yes Halogen-Free Compliant Packaging Information Package Quantity 1 pack of 100 Clips Product Weight 5mm : 0.092 lbs6.35mm : 0.13lbs7.2mm : 0.16lbs12.7mm : 0.30lbs19.4mm : 0.38lbs25.4mm : 0.46lbs