Alpen Sds Plus Drill Bit Case 8 Pieces Kit. -Quadruple stepped profile hammer drill bits with patented carbide insert. -High-performance drill bits for impact drilling in concrete, reinforced concrete, natural stone, walls and cement. -Accurate thanks to its excellent centering properties. -Robust thanks to the carbide tip and its modern vacuum hardening. -2 cutting edges. The case consists of: 1 SDS Plus 5 bit.0 x 110mm. (Diameter x length). >1 x 6 SDS Plus drill bit.0 x 110mm. (Diameter x length). >1 x 8 SDS Plus drill bit.0 x 110mm. (Diameter x length). >1 x 6 SDS Plus drill bit.0 x 160mm. (Diameter x length). >1 x 8 SDS Plus drill bit.0 x 160mm. (Diameter x length). >1 x 10 SDS Plus drill bit.0 x 160mm. (Diameter x length). >1 x 12 SDS Plus drill bit.0 x 160mm. (Diameter x length). >1 x 8 SDS Plus drill bit.0 x 210mm. (Diameter x length).