Premium Washguard® all stainless reducers offer superior corrosion protection. our stainless steel housing, shaft, covers and external hardware offer an exceptionally long life. each reducer comes with USDA H1 synthetic oil, eliminating the need for oil changes. our premium stainless gear reducers are supplied with 316 grade stainless steel housing and covers. these premium reducers offer superior corrosion protection and can withstand the harshest conditions. available in worm gear reducers, ratio multipliers, helical concentric and helical bevel reducers. Grove Gear® Washguard® Worm Gear Reducer, Right Angle Single Reduction, Series: SS Series, 20:1 Gear Ratio, 1.046 HP Input, 0.875 HP Output, 1 HP Motor, C-Face Quill Input, Hollow Bore Output, 5/8 in Dia Input, 1 in Dia Output, 87.5 RPM Output Maximum Speed, 1750 RPM Input Maximum Speed, 630 in-lb Output, 1-3/4 in Centre Distance, 1/4 x 1/8 in Output Keyway, PAG Synthetic Oil Lubrication, Shaft Mount, 316 Stainless Steel, 5-1/2 in W