NAPA Socket Set USA 123-Piece SAE & Metric 6-Point 1/4 & 3/8 Drive. This is a brand-new old stock tool set with everything stamped USA except for the screwdriver bits. The 1/4″ sockets are 6-13mm deep and standard, 7/32-1/2″ standard, and 1/4-1/2 deep. The 3/8 sockets are 6-22mm standard, 9-17 deep, 1/4-3/4 standard, 3/8-3/4 deep, […]