Check the listing for details. General Tools Mini Heavy-Duty Automatic Center Punch #79 - Nail Punch Tool to. Color: Black, Condition: New. Listed at 23.95 USD. General Tools Mini Heavy-Duty Automatic Center Punch #79 - Nail Punch Tool to From the Manufacturer Use automatic center punches to precisely punch material for drilling and layout work. Spring operated tool drives hard point in a single one-handed operation that eliminates striking a punch with a hammer. Spring tension cap can be adjusted for light to heavy strokes. Punch depth can be set for repetitive work. This is a steel automatic center punch for making lighter markings than #78. It has a black oxide finish that inhibits rust. The all-steel body is 5" with threaded, replaceable hardened steel point and shaft. The body diameter is 1/2". Features STEEL BODY: This must-have pre-drilling leather punch tool can scribe, stake, and prepare nail and screw holes. It's easy to use, and the one-handed spring tension adjusts for light or heavy strokes and marking on wood and metal surfaces.REPLACEABLE HARDENED STEEL POINT: Fabricated from durable steel, our convenient metal punch tool has a conical-shaped steel tip that allows you to safely drill holes at the exact location without slipping and damaging the work surface.ADJUSTABLE SPRING TENSION: Ideal for metal workers, machinists, automotive repair professionals, and DIYers, this spring-loaded center punch has an automatic mechanism that strikes with downward pressure so that you don't need a hammer.KNURLED FINGER GRIP: Allows a sturdy grip, easy handling, and less slippage, avoiding potential injury. It measures 6" and has a rust-resistant black oxide finish. Add it to your accessories and other hardware essentials.GENERAL TOOLS: We have been a recognized leader in the innovation, design, and development of specialized precision tools for many years. We encourage craftspeople, artisans, and DIYers to work smarter, measure better, and increase productivity.DELIVERS A HIGH IMPACT STRIKE - one-handed spring-loaded impact operation, no hammer requiredADJUSTABLE SPRING TENSION - adjustable spring tension cap for light or heavy strokes and markingALL STEEL 5" BODY - center punch has an all-steel body, knurled finger grip and rust-resistant black oxide finish, 1/2" body diameterSTEEL POINT - threaded, replaceable hardened steel point and shaftAUTOMATIC PUNCH DEPTH - center punch can be set for repetitive work Details {{itemdetails}} {{marketing_message_heading_1}} {{marketing_message_body_1}} {{marketing_message_heading_2}} {{marketing_message_body_2}} {{marketing_message_heading_3}} {{marketing_message_body_3}}