1. 【HIGH QUALITY】- 6PCS concrete hole saw kit is made of tungsten steel and carbide, durable, and works under rough conditions.
2. 【UNIQUE BLADE DESIGN】- Concrete SDS max hammer drill bits blade is made of raw materials, thicker and sharper than ordinary blades. They can easily penetrate steel bars up to 6mm.
3. 【WIDE APPLICATION】- The masonry wall opening drill bits kit is perfectly used for open self-leveling concrete, hollow brick, cement wall, concrete wall, red brick, etc. Works well when installing air conditioners, water pipes, water heaters, fume pipes, sewers, etc. Left-handed available drill bit.
4. 【SDS PLUS】- The hammer drill set is combined with hole saws that are designed with SDS plus coring bits, which is perfectly matched with the round shank four-pit electric impact drill.