Hi-Spec 16pc Compact Multi Steel Drill Bit Box Case Set. HSS Titanium Coated. HSS Titanium Coated Bits (6pc): 2mm, 3mm, 4mm, 5mm, 6mm, 8mm; High-Speed Steel (HSS4241), titanium coated for wear resistance and reduced friction; Suitable for aluminium, mild steel, wood, and plastics.
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