1. Strong and High Hardness: Our hole saw kit is made of carbide with strong impact resistant ensuring anti-rust properties and pointed teeth for precise cuts. Its unmatched hardness ensures . 2. Maximize Output: Our ingenious concrete hole saw kit drills faster than traditional , saving you time and giving you an edge. With dust removal made easy through vents. 3. Multiple Uses: Ideal for hollow bricks and cement walls, this concrete hole saw kit streamlines installation of air conditioners, range hoods, water pipes, and heaters with precision. 4. for Loved: Spread joy and blessings with our concrete hole saw kit: an excellent gift for housewarming or any occasion. Give to friends and family for a thoughtful holiday surprise. NOTE:Tool box not included. Colour:Silver Material:alloy Package Contents: 1 * Five-pit post 300mm long 1 * Round handle post 300mm long 1 * Hole opener 100mm 1 * Hole opener 80mm 1 * Hole opener 65mm 1 * Hole opener 40mm 1 * Hole opener 30mm 3 * Center bit Only the above package content, other products are not included. Note: Light reflection 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.