The Mayhew Tools 5/16" x 4-1/2" prick punch is a precision layout tool for scribing lines in metal before cutting, drilling, or riveting. Made in the USA with a black oxide finish for corrosion resistance, it is a reliable choice for machinists, fabricators, and metalworkers.

• Sharp tip scribes accurate layout lines in metal surfaces
• 5/16" diameter x 4-1/2" length for comfortable single-hand use
• Black oxide finish resists rust and corrosion
• High carbon steel construction for hardness and durability
• Ideal for layout work prior to cutting, drilling, or riveting
• Made in the USA

Tip: A prick punch is used to scribe a line, while a center punch creates a dimple for drill starting. Use light, controlled mallet taps for consistent scribe depth. Part number: 73001.