These are Great Planes" 4-40 Blind Nuts. / / FEATURES: Metal construction with zinc plating to prevent rust from oxidizing / on parts. / The perfect mounting nut for hard to reach areas / Perfect for engine mounting, landing gear, cowls, hatches, etc. / Comes in a Parts-Pak clear plastic box with resealable lid / One year quality guarantee / / INCLUDES: (24) Blind Nuts / / REQUIRES: 1/8" Drill Size / CA Glue (GPMR6002) / / SPECS: Thread Size: 4-40 / KPM 11/02/93 / ir/jl / kr3/18/03