This Is a Hinge Point Drill Jig from Robart.                  
                                                                               
FEATURES: Guides and drills mounting holes for hinge points.                   
          Adjustable for all control surfaces.                                 
          It's made of hardened steel.                                         
          Incorporates removable drill bushings.                               
          Instructions provided.                                               
                                                                               
INCLUDES: One Drill Jig                                                        
          Two Bushings                                                         
                                                                               
REQUIRES: Drill (1/8" and/or 3/16")                                            
                                                                               
SPECS:    Bushing Diameters: 1/8"                                              
                             3/16"