The punch force, ranging from 13.5lbs. - 31.5lbs., can easily be adjusted with the simple turn of a knob, located on the handle. Spring driven punch when pressed against surface. Adjustable force by simply turning knob on the handle.
Mayhew 24002 Center Punch, 3/16 inch - 5 mm x 5 inch, Alloy Steel, Black Oxide
Fowler 72-500-290 Heavy Duty Automatic Center Punch
AUTOMATIC CENTER PUNCH MAY17329 Brand New!
TITAN AUTOMATIC CENTER PUNCH
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Lisle Tools 30280 Automatic Center Punch Works On Most All Materials