Adjustable Punch Saw Tool for Drilling,Adjustable Punching

【Adjustable Diameter】The Punching Saw with adjustable diameters from 45mm to 130mm, which makes it possible to cut holes of different diameters with just one tool, saving money and space.

【Precision & Clean Drilling】The three triple tooth blades can easily saw through plasterboard and softwood boards, and ensure fine and clean cuts with their special, straight saw tooth. Triple blade design ensures smooth cut, and burr-free.

【Adjustable Punching Saw】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 resistance.

【Easy To Use】Loosen the middle 3 screws, then adjust the diameter of the hole you want, and finally tighten the 3 screws to start drilling. Round holes of different sizes and diameters require only one drill bit.

【Multi-purpose】Hole saw can cut a hole which in wood, plywood, plastic, drywall, soft plaster, cornhole boards, acrylic-board, thin metals , and etc. punching saws are also suitable for home projects on air ducts, speakers, ceiling lamps, etc.