Polyester webbing and stitching, steel snap hooks, single or twin-leg models, fixed length, adjustable or tie-back. Capacity: ANSI Z 359.13: 130 lb.‰ÛÒ310 lb. (59‰ÛÒ140 kg); CSA Z259.11: 150 lb. ‰ÛÒ 310 lb. (68‰ÛÒ140 kg); CSA Z259.11 Light Weight: 110 lb.‰ÛÒ230 lb. (50‰ÛÒ105 kg). Meets ANSI Z359.13, CSA Z259.11 ‰ÛÒ17, OSHA.