Usable in RT2, RT3, and RT4 motor mounts, as well as other 1/32nd brands.

All springs are 4mm in length with a 4.3mm inner diameter:

     2   hard springs, gold   (SC-8164C)

     2   medium springs, black   (SC-8164B)

     2   soft springs, silver   (SC-8164A)

     12   large head screws, M2 x 9mm   (SC-5136B)

     2   self-locking aluminum nuts

     2   aluminum stoppers