HPI Racing servo arm set is constructed of black plastic.
Three short arms - Hi (24), SKJ (23), F/HPI SF (25)
Five long arms - F (25), HI (24), HPI SFL/F (8mm), HI (8mm) and KO (23)
This product includes
Eight servo arms.
One servo mounting tab
Two 2.5mm X 10mm screws
Four 3mm X 10mm screws
Two black 3mm washer
Two 2.5mm locknuts
Short horn length: 1-3/16 (29mm)
Long horn length: 1-7/16 (36mm)
Requires: Baja 5B
Short horn length: 1-3/16" (29mm)
Long horn length: 1-7/16" (36mm)