ach box contains 2 Trac-Grabber blocks; Cheaper alternative to snow chainsmDesigned to be used by both men and women,Tire-Grabber is an innovation designed to enhance the ability of a slipping tire to extract itself from a poor traction situation,Tire-Grabber block measures 180x75*25mm, Easy to install, safe to use and affordable,weight 1.2 kgs(2 pcs)