b'ALL Mounting/ Multi-Sided Self-Centering Lifting Hardware Included Vise Block KitsFits UMC-500/750 Machines Explore Now3 4 6UMC 3-Sided Pyramid UMC 4-Sided Manual UMC 6-Sided 130mmSelf-Centering Self-Centering Self-CenteringVise Block Kit Vise Block Kit Vise Block KitMaterialAluminum Machine ModelsUMC-750, UMC-500 Machine ModelsUMC-750Base Diameter12.795" \\ 325.0 mm MaterialAluminum MaterialAluminumBHC Diameter9.921" \\ 252.0 mm Overall Width12.16" \\ 309.0mm Overall Width16.26" \\ 413.0mmBase Thickness4.724" \\ 120.0 mm Overall Height11.82" \\ 300.3mm Overall Height11.03" \\ 280.3mmWeight44.0 lbs \\ 20.0 kg Jaw Width3.0" \\ 75.0mm Jaw Width5.0" \\ 130.0mmVise Opening2.5" \\ 64.0mm Vise Opening5.0" \\ 130.0mmLifting Ring and Hardware Included!Receive Free Next-Day Delivery with Winners Circle| 19'