[High-quality material]; The bimetal hole saw is made of M2 high-speed steel, contains about 8% cobalt, has stronger wear resistance and higher cutting resistance. Helps maintain the hardness of the saw teeth at higher operating temperatures. [Product size] The package includes 1 bimetal hole saw. Hole saw diameter: 100mm, cutting depth: 37mm, knife handle diameter: 10mm. [Fast and smooth cutting] The sharp design of the metal hole saw makes cutting smooth, fast and with little vibration. The triangular handle design on the tail effectively prevents slippage and makes the operation more stable. [Easy chip removal] The porous chip removal design of the wood hole cutter can quickly remove chips, improve the removal speed of wood chips or iron chips in the hole, and will not cause cracks and jams. [Wide application] These 100mm wood hole saws are ideal for work requiring high performance and high precision. Professional processing of metal, plaster, stainless steel, plastic and wood.