Features 1、The vise body is made of heavy duty cast iron material for high strength and durability. 2、The vise jaws are processed with forging technique, through heat treatment, which have strong clamping force, no chipping or breakage. 3、360 degree rotatable base is connected to the vise body through high hardness material, firm and secure. 4、Designed with crossed anti-slip grooves on the calming jaws, not easy to slip during use, more firmer clamping. 5、The anvil is made of high quality material and has a broad area for convenient use. Specification Features: The vise body is made of heavy duty cast iron material for high strength and durability. The vise jaws are processed with forging technique, through heat treatment, which have strong clamping force, no chipping or breakage. 360 degree rotatable base is connected to the vise body through high hardness material, firm and secure. Designed with crossed anti-slip grooves on the calming jaws, not easy to slip during use, more firmer clamping. The anvil is made of high quality material and has a broad area for convenient use. Specification: Material: Cast iron, steel Color: Blue Jaw Width: 4", 5", 6" (Optional) Weight: 5050-11600g / 11.1-25.6lb(approx.) Package List: 1 x Bench Vise Package List