Description of 🔧 Acekit Bi Metal Variable Plastic Ceiling
【HIGH PERFORMANCE】the hole saw made of M42 high speed steel and bi-metal ,four slots for quick remove the chipped material,heavy duty and durable with large and sharp variable teeth pitch for fast and precisely cutting. 【DIMENSIONS】diameter of the hole saw about 102mm for 4 inch hole cutting, depth of the hole saw about 1 1/8 inch (30mm). 【QUICK CHANGE ARBOR】size of the screw in arbor is 3/8 inch for quick change mandrel, fits both 3/8 and 1/2 inch drills. 【BONUS】the hole saw came with a allen wrench for drill bits installation , so you need not to pay extra money for it, and 1 pack of extra drill bits for long term usage. 【WIDE APPLICATION】With the hole saw, you can easily cut precise hole for wood/plywood/laminated/PVC board, plastic pipe, ceiling ,kitchen cabinet hole cutting, you can also use it to cut hole for soft metal sheet (kind remind: for metal sheet cutting constant cooling with water will be good for long-term usage and fast cutting).