Yost 4-1/2-in Ductile Iron Vise65,000 PSI tensile ductile iron body parts Medium duty vise excellent for general purpose, service or maintenance Replaceable hardened steel pipe jaws Reversible hardened steel serrated and smooth jaws Large anvil Made in USA Features Throat Depth (Inches) 4. 5 Jaw Width Measurement 4 1 2 in Maximum Jaw Opening 4 1 2 in Pipe Capacity 2 1 2 in Clamping Force (lbs.) 3500 Material Ductile iron Color Finish Family Blue UNSPSC 27112100