Product dimensions : 55 x 20 x 20 mm (LxWxD) Drive : DIN 3120, ISO 1174, style A 6.3 + A 10. Drive : With 1/4″ hex shank according to DIN 3126 C 6.3. Application : Universal application in metal, plastic and wood. Bits : Reduced, over-tightened profile. Extra : Particularly suitable for use in battery-powered drivers. Extra : Guarantees outstanding removal of cuttings, no-rattle operation and smooth surface. Material : High-quality HSS steel, ground. Packaging : Blister packed. DIN 3126, ISO 1173, Style C6,3