SCHD16 External Air Air Motor (4 or 2 hole) Low speed air motor: 1: 1 direct drive waterSpray:ExternalHole type:4 holes or 2 holes Rotation speed:20,000rpm Send Inquiry Product Detail FacebookTwitterLinkedInWhatsAppPinterestE-MailNext: SCHD24 Inner Channel Air motor(4 or 2 hole) Related Products SCHD24 Inner Channel Air motor(4 or 2 hole) SCHD24 Optical Inner Channel Air Motor(6 hole) SCHD24 Inner Channel Air motor(4 or 2 hole)