1) Hammer core bit size: 32mm, 36mm, 46mm, 65mm, and 80mm2) Adaptor size: 100mm, 200mm, and 300mm

1) US type heavy duty, Japanese type, and European type heavy duty2) Size: 9.5", 10", 10.5", 17", and 32"

1) US type heavy duty, Japanese type, and European type heavy duty2) Size: 9.5", 10", 10.5", 17", and 32"

1) High quality and reasonable price2) With CE certificate

1. 5pcs hole saw set, 60-90mm, 3", double-blister packed2. Hole saw set 32-83mm, blow box pack3. 8pcs hole saw set, 64-127mm, blow box pack4. 11pcs hole saw set, 19-24mm, blow box pack

1) Hole saw set: 3pcs, 4pcs, 6pcs, 9pcs2) Double-blister packing

1) Voltage: 115V and 230V2) Amps: 14.53) Motor: 1.0HP 115V/60Hz, 1.0HP 230V/50HZ4) Power cord: #14-3, 25 long5) Switch: high speed6) Blade diameter: 230x90mm7) Max. air volume: 950CFM8) Wheel speed: 3

1) Voltage: 115V and 230V2) Amps: 14.53) Motor: 1.0HP 115V/60Hz, 1.0HP 230V/50HZ4) Power cord: #14-3, 25 long5) Switch: high speed6) Blade diameter: 230x90mm7) Max. air volume: 950CFM8) Wheel speed: 3

1) Single head, 40kg2) Double-head, 80kg3) Three-head, 160kg4) Four-head, more than 200kg