Blue Point 5 Piece Punch & Chisel Set BLP5PCS
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Finished from Cr-V alloy steel
The hardness of the chisel head is HRC53 - 60, the hardness of the head is HRC48-58, and the hardness of the tail is tempered. The hardness is HRC32-46.
The surface is treated with blue spray to resist corrosion
include:
Cone punch: 2mm
Masonry chisel: 12mm
Cylindrical punch: 8mm
Marker punch: 6mm
Oil groove chisel: 5mm