Feature: 1. STRONG MATERIAL: The drill bit sharpener is crafted from quality plastic, ensuring long lasting performance with excellent fatigue prevention and insulation properties. Maintains its shape over time, making it a trusted tool in any working environment 2. EXTEND SERVICE LIFE: This innovative drill bit grinding attachment features notches tailored for various sizes, allowing you to easily polish different angles of drill bits. Revitalize your old drill bit grinder by restoring sharpness and significantly improving work efficiency 3. EASY TO USE: Designed with user friendliness in mind, the drill sharpener requires no special skills. Simply fix onto your grinder and adjust the grinding angle effortlessly to meet your specific needs, making sharpening a breeze 4. PORTABLE DESIGN: The compact design of the drill bit sharpener makes it suitable for travel or on site work. Keep your tools incisive and ready for action anywhere, anytime, ensuring best performance without worry 5. WIDE APPLICABILITY: This versatile drill bit sharpener can grind a variety of drills including high speed steel, hard alloy, fried dough twists drill, and cobalt drill. Use in conjunction with a large cutter angle grinder for grinding drill bits to achieve exceptional grinding results across multiple specifications Specification: Item Type: Drill Bit Sharpener Material: ABS Size: Dia 4, 5, 6, 8, 10, 12 Application: For pneumatic angle grinder and electric angle grinder . Package List: 2 x Angle Grinder Drill Bit Assistant 4 x Screws 4 x Nuts Note: 1. Make sure to use with angle grinder guard 2. This product is suitable for guard with a diameter of about 122mm.