Designed for use in rotation stop hammers with the SDS Plus tool holder system. Breaks up concrete and masonry. NOTE: NOT TO BE USED IN ROTARY MODE. Heat treated Shot blast finish for rust protection" Drill Dia. mm: N/A Total Length mm: 250 Working Length mm: N/A Shank Dia. mm: 10.0 Shank Type: SDS Plus Drill Tip: Point Material: N/A Timco SDS Plus Steels - Point (Size 250mm - 1 Each) in Grey