1.Use of advances played a small dot on the workpiece, as a marker (such as central or circumferential line when drilling), or other point of the center line position, to facilitate processing.
2.Suitable for proofing hole before steel, aluminum, copper and other materials drilling of drill positioning, to avoid direct drill drilling position deviation will cause slippage or
damage to the drill bit.
Material: High-carbon steel
Color: Black and silver
Length: Approx. 10cm/3.93"
Head Size: 1.5mm/2mm/3mm/0.059"/0.078"/0.11"
Please allow 1-2mm errors due to manual measurement
3x Center punch