Craftsman 99941 – 42-Piece 1/4″ & 3/8″ Drive Hex, Torx & Screwdriver Bit Socket Wrench Set. The Craftsman 99941 covers both 1/4″ and 3/8″ drives in a single organized case, giving you the versatility to tackle automotive work, appliance repairs, bike maintenance, and everything in between without swapping between multiple kits.