55mm Concrete Hole Saw Set - 110mm SDS Plus Shank Extension Rod with M22x2 Male Thread Adapter and Pilot Drill Bit - Carbide Core Bit for Drilling Cement, Brick, Stone, Masonry Walls Painting Supplies 4 mm center hole Power Tools and control for easy Size:10x400mm K11880

4 mm center hole

⚙️ [Stable Operation] Support rollers help keep the pipe steady and reduce slipping while allowing smooth rotation during cutting

🔩 [Wide Compatibility] 10mm chuck fits a variety of drill bits for flexible use in household and DIY projects

and food stalls

💡 [LED Work Light] Built-in LED light helps improve visibility when working in dark or limited-light areas

55mm Concrete Hole Saw Set 110mm SDS Plus Shank Extension Rod with M22x2 Male Thread Adapter and Pilot Drill Bit Carbide Core Bit for Drilling Cement, Brick, Stone, Masonry Walls Painting Supplies 4 mm center hole Power Tools and control for easy Size:10x400mm K11880 4 mm center hole ⚙️ [Stable Operation] Support rollers help keep the pipe steady and reduce slipping while allowing smooth rotation during cutting