Product Features: Steel handle, jaw and adjusting nut. Jaw drop-forged. Cast iron SG frame safely handle working load. Three load bearing elements, handle, hook jaws and adjusting nut all made from steel for superior strength. Has a unique design which incorporates a step abutment underneath the hook jaw. Teeth are hardened for maximum wear resistance. Can be used for larger capacity pipes. There is no load on the frame, Brand: Irwin, Model Number: T300/14. Hand Tools Type: Wrenches. Color: Blue. Pipe Capacity: 1.1/2 inch Bore. Weight: 1.31 kg, Size: 14 x 1.5 Inch.