4" X 10 ft. 1 Ply Sling 6,400 lbs. Nylon lifting slings are light weight and easy to use, plus they are gentle on valuable loads. Manufactured from heavy duty overhead certified nylon lifting webbing, these slings contain fibers that are stronger than steel, but are incredibly light and flexible. Abrasion & UV resistant and come complete with a rating tag that keeps you within OSHA compliance.