REUSABLE TOOL:The pulling wire grips are designed for underground or in-plant wiring applications and serves as reusable tool for pulling insulated conductors, wires,cable,fibre optic cable and nylon wire rope USAGE RANGE:These can be used by your everyday electrician or telecommunication technicians in situations where smaller distance runs to pull cable through duct or conduit is required.This heavy duty galvanized steel Wire will hold onto any wire,cable,or pipe bundle sized up to 1 1/4inch in diameter METHOD:This cable sock makes quick and easy working method when trying to pull wires through ducts or conduit PLEASE NOTE:Wire Trammels need to be paired with heavy duty rope.They should not be used with fiberglass rods Material:Stainless Steel