Designed for use on aluminum, copper, weatherproof coated wire, PVC covered conductors and messenger and guy strand. The Chicago style grip was designed for cable sizes from 0.12-Inch to 1.0-Inch (3.10 to 25.4 mm). Equipped with chain, toggle and shackle. For support wire 0.134-Inch and larger, refer to 1659 series. Outside diameter of support wire includes thickness of polyethylene coating.