| 1.For cutting round holes in ceilings, walls and floors. |
| 2.Extent of cutting diameter:30mm-290mm |
| 3.Extent of cutting thickness:5mm-50mm |
| 4.For cutting aluminum, brass and sheet metal up to 1mm thick. |
| 5.Materials that can be bored:Veneer.Plywood. Wood-board. Plaster-board. Acrylic sheet. Fiber cement board, etc. |