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