Crescent CPW12 Self-Adjusting Dual Material Pipe Wrench, 12"Commonly used for gripping and holding pipes and fasteners. Ideal for most surfaces including black, galvanized, PVC and copper pipe, as well as nuts, bolts and couplings. Easy to use one hand operation. Simply position the wrench head around material to engage. Press wrench head forward or pull up jaw to release. Jaw capacity: 5 8" 1 1 2" Commonly used for gripping and holding pipes and fasteners Self adjusting, head design instantly grips and