Feature:1. It can be matched with various electric drills.2. Various materials can be cut: wood cutting, steel pipe cutting, plastic cutting, etc.3. The chuck can be changed quickly without tools.4. Comfortable holding, simple operation, better operation experience.5. Fast saw blade installation chuck, easy to install without falling off. It is made of high-quality materials, practical, easy to operate and use, wide application range and long service life.Specification:Specifications: Material: ABS plastic + stainless steel Cutting: wood, metal, PVC Model: With/Without oil tank (optional) Electric drill connecting rod clamping diameter: 5-13 mm/ 0.2-0.5 inch Electric drill connecting rod diameter: 8 mm/0.3 inch Cutting diameter: 0-120 mm / 0-4.7 inch Bare metal size: 15.5*9.4cm/6.1*3.7inch Application: Can be used with electric drills and lithium electric drills .Package List:Note:1. Manual measurement, please allow an error of 1~3 cm, thank you. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the same as the picture, please understand, thank you! 3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.