Features and Benefits: Drop-forged, heat-treated alloy steel for maximum strength and light weight; Chrome Vanadium steel; 4" in length, 1-1/2" wide with jaw open; 1/2" jaw capacity; Adjustable Wrench 4 in.; in length and 1-1/2 in.; wide with jaw open. Jaw capacity 1/2 in.;. Made in Taiwan.