Product Description Professional quality: Above and beyond the normal standards and quite simply unique, the Booster-plus is the all concrete solution for professionals Its sturdiness gives a life expectancy which is clearly better than traditional drills Combining powerful impact force with incursion and efficiency on concrete and reinforced concrete provides five (5) times greater productivity Features and Benefits: 3 Cutting Edges. Unique self-centering tip prevents snagging on reinforced mesh Square Spiral Flute. Combining a compression channel with a depression chamber gives an instant result: perfectly controlled dust removal Suits SDS Plus rotary hammer drills Size: Diameter 12.0mm Overall length 210mm Flute length 150mm Enquiry Tell A Friend