WPA 60 / WPS 60 / WPX 60 / WPO 60This product is a customized product and requires you to supply custom-made data Please examine the product parameters carefully to bypass wrong buy and not ordinary use: Input shaft diameter 15mm Keyway size 5mm; Output shaft diameter 22mm Keyway size 6mm;NOTE:When you get your WP reducer, it should be oiled before you employ it!You should fill the oil yourself!Please check with me whenever you encounter any problem.