This has 17 h.p., 3 phase electrical, and fully hydraulic, 12" grinding wheels with direct drive. Everything works good. Full 14" under the wheel. Magnetic chuck. 3" center, 9-12" outer sanding disc. Will negotiate offer is reasonable.Grinding wheels (see picture), & magnetic chuck included in price.Well sell wheels separately.Email address is [email protected] or call 402.270.9099