Recommended for working on:masonry and concreteUser instructions:For use in rotary hammers with SDS-plus holderOther Characteristics: Drill bit diameter: 1.4 cmLength: 21 cmNumber of pieces: 1 pc(s)Proper use: Rotary hummerShank shape: SDS-plus shankSuitable for materials: Concrete, MasonryWorking length: 15 cm