Gedore IN204 1/4 4 x 28 mm 6 Hex Screws Screwdriver Bit Socket Silver

Zoro Tools

Square drive as per DIN 3120 - C 6.3, ISO 1174, with ball retaining groove Hand-operated, knurled grip Chrome-plated Bit in GEDORE vanadium special steel, manganese-phosphated * not standardised Chrome-vanadium steel

Amazon

Hand-operated, knurled grip Material: vanadium steel Square drive with ball retaining groove, Weight: 0.0220462262 Pounds, Manufacturer: Gedore