Drill Bits Dull Quickly? Frustrated with Constant Replacements? Meet our solution - the state-of-the- Bit Sharpener! Say farewell to dull bit headaches with a cost-effective edge restoration. Sharpen Instead of Replacing, Specially designed to help you keep your drill bits cutting like new. It performs all sharpening and maintenance tasks for bits from 1/8 in to 15/32 in (3 to 12 mm). to help you drill quickly and cleanly. Just 2 Steps. Restore your twist bits to factory precision. Our sharpener is perfect for beginners and seasoned DIY enthusiasts alike. Perfect Results, Every Time. It offers features to consistent results with each drill bit. The included chuck keeps the drill bit at the correct angle without the guesswork inherent in sharpening by hand. Built To Last. Designed for durability, it provide consistent power during sharpening, regardless of speed or load. No-load speed:1350 rpm Note:Due to different production batches, there may be slight differences in products. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Colour:Blue Material:Plastic Size:Compatible sizes:Φ 3 / 3.5 / 4 / 4.5 / 5 / 5.5 / 6 / 6.5 / 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10 / 10.5 / 11 / 11.5 / 12 mm Package Contents: 1 * Grinding Holes Drill Bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.