General description The SDS Plus Hammer Drills Wall Hole Saw Drill Bit Set is designed for efficient drilling through tough materials such as brick, concrete, cement, and stone. This versatile kit is ideal for installing AC tubing, water pipes, exhaust hoses, and more. Technical specifications Size: 40mm Material: Tungsten steel and cemented carbide Measurement allowed error: +/- 1-3cm Compatibility and accessories 1 x Hole Saw Bit 1 x Connecting Rod 1 x Pilot Drill Bit 1 x Hex Bolt Usage Designed for drilling through hard materials like stone and concrete. Equipped with ventilation holes to remove dust during the drilling process, enhancing efficiency. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.