This 4" punch has a mechanism that automatically strikes a blow when downward pressure is applied, without the use of a hammer-leaving one hand free to steady the work. The all-steel punch is adjustable as to the amount of force per blow to control the depth of the mark.
Hardened and Tempered Tool Steel
Length = 4"
Diameter = 7/16"
No Hammer Needed-Built in Mechanism Strikes a Perfect Center Mark at a Press of the Handle
Points can be Sharpened
Works on Metal, Plastics, Wood and other Machinable Materials
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