Mayhew Select 72010 1/8-Inch Line-Up Punch
Mayhew Select 72010 1/8-Inch Line-Up Punch
$8.98
Check on amazon

Used to align holes through which rivets, pins, or bolts will be inserted Not for use when driving pins, rivets, or bolts Over all length: 8-Inch, body size: 5/16-Inch, body type: Hex, blade width: 1/8-Inch Unlimited Lifetime Made in the USA

Mayhew Tools - 466-1/8 Line-Up Punch (72010)