Reversible Steel Jaw Plates; Dual Purpose Locking Pins (4) For The Gun-Fit Sleeves And Lug-Lok Upper Vise Block (Sold Separately); Leveling Knob With 6 Degrees Of Micro Adjustment Of The Vise Jaws For Leveling Guns And Optics; Torq-Lok Pin Locks The Ball And Socket Joint For High Torque Applications; Speed-Cam Ball And Socket Locking Lever; Articulating Ball And Socket Joint; Quick Adjust Crank; Gun-Fit Reversible Sleeves