Multifunctional Universal Woodworking Hole Opener, Adjustable Punch Saw Tool For Drilling, Adjustable Hole Saw, Adjustable Punching Saw Diameter 45-130MM Woodworking Cutting Tools Hole Opener, Round with 3Pcs Cutter Head

Hard Alloy Cutting Head: Selected hard alloy material, tungsten steel heat treated, sharp and wear-resistant cutting edge, fast drilling speed.

Clear Scale Cutterhead: The cutterhead scale is made using stamping technology, with clear and accurate scales, and is wear-resistant.

Adjustable Opening Size: The distance from the blade to the center can be adjusted, and it can be freely adjusted by loosening the screw, making it easy and convenient.

90° Vertical Blade: The blade head and center drill are kept perpendicular to the disc, with stable positioning and no deviation, and the opening is fast and accurate.

Clean and Fine Cutting: During your hole drilling to the ceiling, it can collect most of the edge debris to make you more safe and convenient during the work.with higher hardness , higher toughness, higher cutting strength, and stronger wear resistan