These are the Dubro Park Flyer Snow Skis.                     
                                                                               
FEATURES: Molded black plastic.                                                
          Lightweight with spring action.                                      
                                                                               
INCLUDES: Two skis                                                             
          Two springs                                                          
          Four 1/16" wheel collars                                             
          Two #2x1/8" set screws                                               
          Two #4x1/2" cap head screws                                          
                                                                               
REQUIRES: Drilling, mounting, and 3/32" allen wrench (can use GPMR8002)        
                                                                               
SPECS:    Length: 178 mm   (7")                                                
          Width:  54 mm    (2.125")                                            
          Height: 25.4 mm  (1")                                                
          Weight: 30 grams (1.05 oz)