These are 1/8"x1.25" Axle Shafts. Zinc plated spring steel construction. Two axle shafts Two 1/4"nylon lock nuts (DUBQ3366) Minimal mechanical knowledge 7/16" wrench for the nuts 3/8" wrench for the axle Length: 1.25" (axle) .325 (thread) 1.7" (total length) Diameter: 1/8" (axle) 1/4"(thread) Bolts to any Dural landing gear with a 1/4" hole. tjt 041002 ir/kh &