Feature: This rotary burr is a spherical wood carving tool that can quickly grind wood slots with a diameter of 40mm in woodworking projects. The wood carving ball chisels are very suitable for carving smooth hollows in wooden spoons and small bowls, and are used for small and medium-sized carvings. The 14mm grinding head is suitable for 115/125 angle grinder. The Ball Gouge can handle speeds up to 12000rpm. A Good Helper: The grinding head can save you time and energy, allowing you to concentrate on the task at hand. It provides you with excellent service life and longer-lasting burrs. Easy to Use: Comfortable and convenient operation allows you to easily remove various materials. A rough coating can quickly remove the blank while maintaining a relatively smooth finish. Note: Grinding head only, grinder is not included. It should only be used on non-metallic materials. Product Information: Features: A good helper: It can save your time and energy, allowing you to concentrate on the task at hand. Easy to use: Comfortable and convenient operation allows you to easily remove various materials. Function: A very rough coating can quickly remove the blank while maintaining a relatively smooth finish. Note: Grinding head only, the grinder is not included. Specification: Material: Carbon Steel Color: Black Size: Hole Diameter: Approx.14mm (Suitable for angle grinder) 14mm: Suitable for 115 type and 125 type angle grinders. Drill Head Diameter: Approx.40mm/1.6in Drill Head Length: Approx.40mm/1.6in Tool Handle Outer Diameter: Approx.25mm/1.0in Total Length: Approx.108mm/4.3in Package Included: 1 * Rotary Grinding Head