Superior Diamond Sharpening Stones;Legendary quality;Made in the USA;New easy to store and carry container holds all the Aligner components;3 diamond stones in Extra-Fine, Fine, and Coarse plus a fine serrated sharpener accessory;Sharpen knives faster than conventional stones with DMT's monocrystalline diamond surfaces;No oil needed - sharpen dry or with water;Durable construction will provide years of consistent performance and reliable service. Made in USA

• DMT A-PROKIT Aligner Prokit Diamond Sharpener

DMT A-PROKIT Aligner Prokit Diamond SharpenerDiamond Machine Technology (DMT)