FEATURES UL STYLEMARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX; 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 60000 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