Features: brand new and high quality Made of galvanized steel wire, this handle is anti-rust and anti-corrosion. Make it easy and fast for cables and wires to pass through pipes and conduits. It can automatically adjust the grip strength, provide non-slip pulling and protect the cable insulation from damage. Can be used as a reusable tool for pulling insulated conductors, bare wires, cables, optical cables/nylons and steel wire ropes. The most for ideal tool designed for electricians and telecommunications technicians. Package Includes: 1x Cable Pulling Socks Specifications: Material: Galvanized Red Diameter: Approx. 10-12mm/0.39-0.47inch Green Diameter: Approx. 12-15mm/0.47-0.59inch White Diameter: Approx. 15-20mm/0.59-0.79inch Yellow Diameter: Approx. 20-25mm/0.79-0.98inch Blue Diameter: Approx. 4-6mm/0.16-0.24inch Black Diameter: Approx. 6-10mm/0.24-0.39inch note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.