This is the Motor Coupler for the Aquacraft Rio EP boat.          
                                                                               
FEATURES: Aluminum construction, Silver in color                               
          Replaces a worn or damaged Motor Coupler                             
                                                                               
INCLUDES: One Motor Coupler                                                    
          Three 3mm x 3mm Set Screws                                           
                                                                               
SPECIFICATIONS: Length:26mm (1")                                               
              Diameter: 8mm (.3")                                              
              Accepts a 3mm (1/8") shaft on either end*                        
                                                                               
REQUIRES: Installation                                                         
                                                                               
COMMENTS: Will not work with motors with shafts larger that 3mm.