Mechanics Pro Vises, 4 1/2 in Jaw, 3 1/2 in Throat, Swivel Base

Features precision machined slide bar eliminates movement in the front jaw regardless of opened distance enclosed spindle keeps lubricants in and contaminants out for smooth operation needle roller thrust bearing -- easier to apply & release greater clamping force 60,000 psi ductile iron movable jaw & base greater durability with lighter weight material large anvil work surface accommodates a wide range of striking needs 360 swivel base with double lockdowns easy and secure access while in use