Facom STM.19 Hex Socket 1/2" Drive

Amazon

Technical data: A [mm]: 19 D [mm]: 23.4 Product thicknesses: Removable bit Glossy chrome-plated, with phosphated insert Screwdriver insert Drive internal square 12.7 mm (1/2 inch) Output: hexagon socket, 19 mm, Weight: 0.24912235606 pounds, Manufacturer: Facom

Zoro Tools

STM Standard length series. For hexagon socket heads. Non-removable bit. Finish: bright chrome with phosphate-hardened tip. Available in case set (Ref STM.J9).