1/4" Hex Bit Sockets by Gedore, Hazet, Heyco, Stahlwille, Wera - KC Tool
sourcingmap 2pcs 1/4" Drive x H7 (7mm) Hex Bit Socket, S2 Steel Bits CR-V Sockets 1.5" Length Use with Ratchet Wrench, Slide Bar, Extension Rod : Amazon.co.uk: DIY & Tools
Husky 1/4 in. Drive Metric Hex Bit Socket Set (8-Piece) H4DMMHEX8PC - The Home Depot