Check the listing for details. ZNEX Air Micro Die Grinder Kit (Model DG-10). Condition: New. Listed at 29.99 USD. Brand new, first quality, in retail packaging. This is the ZNEX, Model DG-10, Air Micro Die Grinder Kit. 15 piece set in fitted, plastic, blow molded case. Kit includes: air powered micro die grinder, 10 mounted grinding stones (please note: some stones may be different than the photo,but you will receive 10 and you will have the same or more capabilities), 2 spanner wrenches, and male quick connector (1/4" NPT or PT), and case. Please be sure to use proper eye and respiratory protection as necessary. Collet size: 1/8 inch (3mm) Air inlet: 1/4 inch Hose size: 1/4 inch (NPT or PT) Air pressure: 90 PSI Free speed: 54,000 RPMHose size: 7/32"Weight: 0.22 kgAllows you to perform cutting, grinding, polishing, cleaning, and many other craft, hobby, workshop, and professional uses.Can also use all the 1/8 inch Dremel and other brand bits. Free shipping to any PayPal confirmed US address. We are a US seller. We ship from sunny Florida daily.