6" Milling Machine Lockdown Vise -Swiveling Base - Hardened Metal - CNC Vise 6'' Precision Milling Machine Vise w/ Swivel Base Max jaw opening:6-1/2";Jaw height:1-7/8";Sliding surface of the vise bed is flame hardened andground Dimensions jaw width: 6" ; Accurate to .002" on parallelism and Squareness Each pound of force in horizontal induces 1/2 lb of downward force, eliminating jaw tilt Quantity: 1 ;Weight: 70 lbs;Unit overall dimension (fully open) : 11''L x 18''W x 11-3/8''H