Heavy-Duty Slide Hammer grips studs so you can pull them out without slipping. Built for heavy-duty use, with a twist-on/twist-off chuck that grips dent-pulling pins/studs securely, without slipping. Pull pins without slipping Fits 2.0 and 2.5mm draw pins 20\" long; weighs 10 lbs. Twist-on twist-off slide hammer is the same slide hammer included with our Deluxe Stud Welder (31123). Faster and easier to use than cheaper slide hammers, and less likely to push the dent back in. Made in the USA.