Bosch 2608585312 SDS+ S2 Masonry Drill Bits 5.5 x 100 x 160mm (10 Piece) The Bosch 2608585312 is a 10 Pack of SDS+ S2 Drill Bits, suited to drilling in stone and masonry applications and are compatible with all SDS plus drill chucks. Featuring heavy-duty construction for long life and high-performance drilling. Specially formulated flute design efficiently removes dust and waste. Features: SDS + Drill Bits offers durability while drilling concrete Provides effective dust removal for increased endurance High-alloy steel produced with optimised hardening technology to withstand wear Specification: Quantity: 10 Diameter: 5.5mm Total length: 160mm Working length: 100mm