Features 1、Made of premium quality material. 2、Strong and solid for long lasting. 3、Easy to sharpen the blade quickly. Specification Features: Made of premium quality material. Strong and solid for long lasting. Easy to sharpen the blade quickly. Prolong the service life of your device. For power drill and hand drill, 1/4" shank. Note: item's color may be slightly different due to the monitor setting or other factors, please in kind prevail. Thanks! Specifications: Color: Blue / Dark Blue / Black / Green / Red / Orange / Silver (Optional) Grit: 80# Shank: 6.35mm (1/4in) Package Size: 6.0 * 6.0 * 5.5cm / 2.4 * 2.4 * 2.2in Package Weight: Blue/ Dark Blue/ Black/ Green/ Red/ Orange: 70g / 2.5oz Silver: 80g / 2.8oz Package List: 1 * Sharpener Package List 1 * Sharpener