Wire Pulling Attachment with Ring Heavy Duty Electrical Cable Puller for 3 0 to 350 Mille Circle Mil Copper Aluminum.Feature: 1. 4000lbs Pulling Force: The wire puller head delivers an pulling force of up to 4000 lbs, suitable for copper and aluminum cables ranging from 3 0 to 350 mille circle mil (diameter 2 1 2 inch or larger). Designed for electrical installation, it meets high strength pulling demands. Suitable for various single or multiple cable pulling tasks, enabling efficient pulling wi