Proxxon Industrial Bit set 1/4 (6.3 mm), 1/2 (12.5 mm) 18-piece 23 100

Downforce: Allen; Drive (screwdriver): 1/4" (6.3 mm), 1/2" (12.5 mm); Material: Chromium-vanadium steel; Quantities (LOV - titles only): 18-piece

Price: £ 59.99 from Conrad Electronic