This is a 3/16" Super Point Hinge Point System Combo. This Combo includes a Fre Drill Jig, Drill Bushing, and How-To Guide. FEATURES: Aluminum bushing and jig construction. Grey nylon hinge construction. INCLUDES: Fifty grey 3/16" Super Point Combos. One threaded aluminum coupler One Drill Jig. REQUIRES: 3/16" drill bit. Epoxy or aliphatic resin glue SPECS: Length: 67.29mm (2.649") Diameter at widest point: 6.05mm (.238") COMMENTS: The drill jig centers the hole vertically on your surface"s edge and accepts the bushing to guide your drill bit. pjm 9/17/02 ir/kh