These are 3/16"x2" Axle Shafts. Zinc plated spring steel construction Two axle shafts Two 5/16"nylon lock nuts Minimal mechanical knowledge 1/2" wrench for the nuts 7/16" wrench for the axles Length: 2" (axle) .4" (thread) 2.6" (total length) Diameter: 3/16" (axle) 5/16"(thread) Bolts to any Dural landing gear with a 5/16" hole. tjt 041002 ir/kh &