Chera Precision Rear Jaw Sliding Bench vices are made from Graded Cast iron with high Carbon Steel. These vices have several advantages over front sliding jaws vices due to its unique design. Long jobs are supported by the bench and does not fall on the floor accidently while loosening. Due to uniform movement of the rear slide and hardened & ground jaws, it grips the job strongly and requires least torque at handle. Vices are available in four different sizes to meet your requirements.