Jorgensen 3718-HD 18-Inch Heavy-Duty Steel Bar Clamp JORGENSEN, Heavy-Duty Steel Bar Clamps are made for all types of heavy-duty clamping Used by cabinet-makers, woodworkers, metalworkers, or for home shop and do-it-yourself projects Protective pads made of thick, durable plastic Steel bar clamp designed for heavy-duty projects 2 clamp pads protect work pieces from damage Internal tooth washers provide extra stay-on power Pressed and riveted fixed head adds clamping power 1-year limited warranty