Robust bits - Thanks to the grey sandblasted S2 steel, the 25 mm bits with C 6.3 shank and coloured ring included in the Einhell set impress with the highest quality and durability. Einhell drill bit set - The Einhell accessory set includes HSS metal drill bits with 135° split-point tip, wood drill bits with centre point and stone drill bits with carbide plate. Quick-change bit holder - For a quick and easy bit change, the 60 mm long quick-change bit holder made of carbon steel completes the Einhell drill and bit set. Sockets - Part of the Einhell bit set are the grey sandblasted CV steel sockets with 1/4" drive, long life and high performance. Countersink - For a flush finish of screws with the surface, the 12 mm countersink of the Einhell set, which is made of grey sandblasted carbon steel with E 6.3 shank. Practical storage box - The Einhell case has a transparent lid for an overview of the organised components and a robust auto-lock clip closure. Brand-independent - Suitable for all drill chucks and bit holders in commercially available cordless screwdrivers and drills, the bit set from Einhell allows maximum flexibility.