Descriptions:1.Rounded shank body has knurled finger grip.2.Automatic center punch has one-handed impact operation, no hammer needed.3.Spring tension adjusts for light or heavy stroke, marking, punching and staking. Specifications:Material: HSS(High Speed Steel)Total Size: 132 x 28mm / 5.2 x 1.1"(L*Max.D)Bit Size: 28 x 4mm / 1.1 x 0.16"(L*D)Cap Size: 30 x 28 x 23mm / 1.18 x 1.1 x 0.94"(L*W*H)Shell Size: 74 x 12.5mm / 2.91 x 0.49"(L*D) Package Contents:1 x Automatic Center Punch .
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