The Slingco ZSW2094 line pulling swivel is designed to release torsional stress during straight-line cable pulls, helping protect cables and grips from damage. Constructed of bright zinc-plated steel, it is rated at 7 000 lb (≈ 31 kN) for underground use and 4 200 lb (≈ 18.7 kN) for overhead applications. Length is approximately 5.22″ (132 mm).