6'' Precision Milling Machine lock Down Vise Accu Lock Vise Clamp Clamping Vise 6'' accu lock vise ; Dimensions Jaw Width: 6" Jaw Opening: 5.9" ; Jaw Height: 1-3/4" ; Accurate to .002" on parallelism and Squareness Sliding surface of the vise bed is flame hardened and ground Each pound of force in horizontal induces 1/2 lb of downward force,eliminating jaw tilt Unit overall dim: 8''L x 19''W x 10''H ; Weight: 53 lbs ; Quantity: 1