Spec: Item Type: Drill Bit Sharpener Material: ABS Weight: Approx. 132g / 4.7oz Drill Bit Sharpener Size: Approx. 14x15.5x3cm / 5.5x6.1x1.2in Screw Size: Approx. 1x1x2.5cm / 0.4x0.4x1.0in Package List: 1 x Drill Bit Sharpener 3 x Screw How To Use: Attach the sharpener to the angle grinder and adjust the grinding angle to the bit to its optimum sharpness. [HIGH EFFICIENCY] Extend the lifespan of your bits by maintaining sharpness, improving drilling efficiency, and reducing replacements. Lightweight and compact design for convenient use at home or outdoors, ensuring compatible with sharp bits wherever you go. [ MATERIAL] This drill bit sharpener has sturdy construction ensured long-lasting use, making it a addition to your toolkit. [PACKAGE INCLUDING] The package list has 1 x drill bit sharpener, and 3 x screw [INFORMATION OF PRODUCT] The drill bit sharpener size is approx. 14x15.5x3cm / 5.5x6.1x1.2in, the screw size is approx. 1x1x2.5cm / 0.4x0.4x1.0in [COMPATIBLE WITH VARIOUS DRILL BITS] This drill bit sharpener enhance the performance of high speed steel, carbide, and twist bits for a wide range of drilling applications. Easy attachment to an angle grinder and simple adjustment for quick restoration of drill bit sharpness.