Milwaukee 48-22-7112. 12 Steel Pipe Wrench has been designed from the ground up to offer maximum productivity to the professional user. The 12 Steel Pipe Wrench features and overbite jaw design offering the largest gripping surface. Dual coil springs offer maximum durability and tool life. and the ergonomic handle form has been designed for maximum comfort and won't dig into the palms. Through hardened jaws deliver increased grip and tooth durability. and a tether-ready handle loop makes the Milwaukee 48-22-7112 perfect for the toughest of jobsites. Milwaukee stands behind their product and offers a Limited Lifetime Warranty with all pipe wrenches.