Heavy duty professional grade rotary tungsten carbide tipped () drill set. Special fluted for fast and effective waste removal. Fits all standard SDS and SDS Plus drills with simple. One-handed quick chuck changing operation to save time. Colour: silver Material: alloy Size: 5x110mm 6x110mm 6x160mm 8x160mm 10x160mm 10x210mm 12x210mm 10x450mm 12x450mm 16x450mm 20x450mm Package Contents: 11 * masonry drill bits Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.