Proto® 1/2″ Square Extension 7/16″ Hex

Proto® 1/4″ Drive 1/4″ Hex Power Bit Holder

Proto® 1/4″ Drive Magnetic Bit Holder 1/4″ Hex

Proto® 1/4″ Magnetic Screwdriver Bit Holder

Proto® 1/4″ Square Hex Insert Bit – #1

Proto® 1/4″ Square Hex Insert Bit – #2

Proto® 1/4″ Square Hex Insert Bit – #3

Proto® 1/4″ Torx® Hex Insert Bit – T25

Proto® 1/4″ Torx® Hex Insert Bit – T27

Proto® 1/4″ Torx® Hex Insert Bit – T30