These are the Front and Rear Upper hinge pins for the Associated Nitro TC3.

Black steel construction.

(2) Front hinge pins.
(2) Rear hinge pins.

Assembly on vehicle.

Length of long pins: 32.5mm (1.28")
Length of short pins: 30mm (1.18")
Diameter: 2.3mm (.096")

These pins are held into the bulkheads by set screws.