General description These galvanised Jaw and Jaw straining screws are designed for tightening, tensioning, and adjusting various wire rope applications. Known as turnbuckles, they are suitable for use with chain and cable, making them popular in the caravanning industry. The open body design allows for visibility of the thread, enabling users to monitor the rate of turning. Technical specifications Material: Hot Dipped Galvanised Steel Weight: 2.4 kg Dimensions (Inches): A - 0.75, R - 0.94, E - 4.18, G - 1.50, J - 26.00, K - 17.00, M - 28.60, N - 19.60, BB - 9.00 Steel Specification: Federal Specifications FF-T-791b, Type Form 1-class 7