Self Centering Drill Vise w Hex Key Perfect Centering Tool for Pen Drilling Vise Holds Work Centered & Plumb – Portable Rockler Drill Guide Reference This design ensures excellent liquid Size:125PCS This design ensures excellent liquid holding capacity for a smooth and consistent flow of paint in length and can support up to 330lb Adjustable Drill Press Vise Features: The perfect pen drilling self centering guide holds your work centered and plumb Use with a drill press or mount it to our Portable Drill Guide for drilling pieces of unlimited length Mounts on or under the base of our portable pen vise hand drill guide choose the mounting that suits your application Jaws open and close in synchrony to center your stock V notches securely hold the square stock up to 3'' x 3'' Pen drilling vise is made with durable steel and aluminum construction Easy to Grip knob with rubber over mold for a comfortable grip What’s Included