Proto Punch Prick, S2 Steel, 1/4'' Hex Shank, 4.3/4''L, Black 441/4

• Application: sheet metal work for scribing and for punching starting holes for sheet metal screws.
• One-piece design for strength and durability.
• Reverse taper to help prevent binding.
• Made from S2 steel and specially heat-treated for greater strength and durability.
• Modified parabolic striking end to help reduce mushrooming and chipping.
• Black oxide finish to help prevent rust corrosion; extending tool life and performance.
• A polished identification panel on one of the flats is marked with the tool number and size in a black inlay.
  

Specifications

• SHANK WIDTH [IN] : 1/4
• OVERALL LENGTH [IN] : 4-3/4
• WEIGHT [LBS] : 0.06
• SPECIFICATION ASME : ASME B107.48