SPEEDJAW 4 in Ductile Iron Bench Vise Cordless Mower The 8 in x 48 in Color Finish:Natural Embossed The 8 in x 48 in Layered Construction: Outer and inner layers of 100% virgin material with a recycled middle layer for durability non slip grip 4 INCH JAWS 4 inch wide jaws open to a maximum of 3 7 8 inches with a 1 1 2 inch throat depth RATCHETING HANDLE Ratcheting handle allows fine adjustment and increased mounting options beyond the edge of a work bench DETACHABLE BASE MOUNT Unit clamps onto a 360 degree inscribed posi clock disc that allows for precise rotation and lets the vise be stored out of the way when not in use CAST DUCTILE IRON Vise is made from high strength and 93097 Non Marring vise pads