#30 • Delta/Milwaukee Model 23-505, 6" Carbide Tool Double End Grinder. Part of J.R. Williams Co., Inc. Phase 1 of 2 (timed auction by Premier Machinery Auctions) High bid $280.00 Status: Sold 1/2 HP, 3450 RPM, 110V. Overall: 24" x 15" x 48".