Du-Bro 276 2in SPINNER BLUE

This is the DuBro Blue 2" Nylon Spinner for 2 Blade Props          
                                                                              
FEATURES: Blue nylon construction                                              
          Interchangeable nylon adapters for use on various size prop shafts  
                                                                              
INCLUDES: One 2" spinner                                                      
          One spinner backplate                                               
          Two 4-40 nylon lock nuts                                            
          Two 4-40 x 1/2" cap head screws                                     
          Five nylon adapers for the following crankshaft sizes:              
                        5/16", 9/32", 1/4", 7/32", 3/16"                      
          Instructions on header card                                         
                                                                              
REQUIRES: A 3/32" hex wrench for cap head screws