The Alpen Module 1 Complete SDS Plus Drill Bits Set includes a comprehensive range of drill bits in 160mm and 210mm lengths, designed for use with SDS Plus-compatible rotary hammers and percussion drills. These hardened steel bits deliver consistent performance in concrete, masonry, and stone drilling applications, with precision flutes for efficient debris removal. Ideal for electricians, concrete contractors, and facilities managers performing structural drilling and cable routing work.