Heavy Duty Multi-purpose Rotating Vises *Full 360' rotational jaws.*Machine cut parallel jaws. *Larger, stronger pipe jaws. *Unique "V" jaws provide 4 point holding powerParallel JawsModel Throat Pipe Jaws V Jaws Anvil Wt No. Width Open Depth Max.Open Max.Open Size lbsVSRHD-4 4" 3-1/2" 3-1/2" 2" 3-1/2" 2-3/8*3-1/8" 52VSRHD-5 5" 4" 3-1/2" 3" 4" 2-1/2*3-1/2" 89VSRHD-6 6" 5-1/4" 3-1/2" 6-1/4" 7-1/4" 3*4" 97