Features 1、Made up of premium hard alloy for its durability and functionality 2、6.3mm shank size is suitable for most electric & cordless drills 3、Used for grinding, polishing, shaping & burnishing wood surfaces 4、Includes 5 popular shapes: ball, oval, cylinder, large cone, small cone 5、A perfect tool addition to help you finish your job clean, fast and easy Specifications Description: These durable and long lasting rotary burr set will give you great results especially to your work piece. It is perfect for low hardness of the work piece, such as soft wood and plastic. Get your job done easy and fast! This will be a great tool for sculptors. Features: Made up of premium hard alloy for its durability and functionality. 6.3mm shank size is suitable for most electric & cordless drills. Used for grinding, polishing, shaping & burnishing wood surfaces. Includes 5 popular shapes: ball, oval, cylinder, large cone, small cone. A perfect tool addition to help you finish your job clean, fast and easy! Specification: Condition: 100% Brand New Material: Hard Alloy Shank Size: Approx. 6.3 x 11mm / 0.2 x 0.4inch Total Length: Approx. 50mm / 2.0inch Package Weight: Approx. 87g Package Included: 5 x Rotary Burr Note: 1. Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2. Due to the difference between different monitors, the picture may not be the actual color of the item. Thank you. Package List