MXX1568P - Hardened S2 Steel Hinge-Pin (16) Maxx

Hot Racing Hardened Centerless Grind S2 Steel Hinge-pin Kit For the Electric TRA Maxx 4WD

Hot Racing S2 Steel Lock-Nut Style Hinge-Pin Kit
once and for all.
Centerless Grinding Machined from high-quality S2 Spring
steel, that is then heat treated for increase in durability, and then
polished for ultra smoothness. Nylon insert lock-nut at each end of
the hinge-pin prevents the pins from ever coming loose. This is a
great upgrade for your TRA Maxx
Four 4x63.5 mm Front or Rear Lower Inner hinge pins
Four 4x47 mm Front or Rear Lower Outer hinge pins
Four 4X41 mm Front or Rear Upper Outer hinge pins
Four 4x51 mm Front or Rear Upper Inner hinge pins
Twelve M4 lock-nuts
Two M3 x 6 mini flat head
Two SS lock plate
One 4mm Drill bit
30 Plastic washer for Aluminum arm
Requirment
The use of 4mm dill bit to Smooth out all the hold.