Compatible with shaft diameters up to 10mm and thicknesses up to approximately 50mm, it can be attached to electric drills and drill presses. The blade rotates like a compass, allowing for clean-cut holes. 【Product Information】 Size (40-200mm): Approximately 22.5cm (length) x 14cm (width) Weight (40-200mm): Approximately 345g Shaft Diameter: 10mm Maximum Cutting Thickness: Approximately 50mm Please refer to the size information to determine compatibility. A convenient item recommended for DIY enthusiasts. Shipped without a box.