Here's a safe, heavy-duty bead expander. Tough 2-1/4" diameter reinforced nylon cover and neoprene inner tube. Fits all sizes of passenger, small ag and light truck tires. Use on manual or automatic changers. 70 p.s.i. safety release valve. For car and truck sizes...78"-98" circumference. Weighs 2-3/4 lbs. USA made.