General description BlueSpot Tools SDS Plus Drill Bit Set includes three pieces with sizes 12 x 600mm, 16 x 600mm, and 24 x 600mm. These drill bits are made from high-quality heat-treated carbide steel, featuring a sandblasted finish and carbide tip for exceptional durability. They are ideal for drilling into concrete, mortar, brick, and stone. Technical specifications Sizes: 12 mm x 600 mm Sizes: 16 mm x 600 mm Sizes: 24 mm x 600 mm Material: Heat-treated carbide steel Finish: Sandblasted Tip: Carbide tipped