These are 1/4 x 3.375 axle shafts.
Features: Zinc plated spring steel construction
Includes: Two axle shafts and two 7/16 nylon lock nuts
Requires: 5/8 wrench for the nuts and 9/16 wrench for the axle
Axle Length: 3.375
Thread Length: 0.5”
Overall Length: 4.125
Axle Diameter: 1/48
Thread Diameter: 7/16
Note: Bolts to any Dural landing gear with a 7/16 hole.