Robart Steel Pin Hinge Point 1/8" (15) This is a Package of Fifteen Steel Pin Hinge Points from Robart. These hinges will install by drilling a 1/8" hole and inserting the hinge with a bit of glue. FEATURES For Heavy Duty Applications like Pattern or Aerobatic Aircraft. INCLUDES Fifteen Steel Pin Hinge Points One Header Card w/Typical Installations Pictured