SECRAFT V2 Hitec 1″ Servo Arm 4-40

Material: aluminium 6061-T6 (anodized) – HITEC BLUE. JR:23T(gold). Hitec:24T(blue). Futaba:25T(red). Length :1.0inch(25.4mm). Fixing screw bolt is M3 or #4-40. weight: 5.2g. 1 Per package. Bolt is not included. Installation Guide:. – Follow aircraft manufactures recommendation for Servo control horn set up. – LockTite all servo screws. – Install ball link on bottom of servo arm (where possible). – Keep all linkage tight. – Servo arms longer than what is recommended can cause. – The Hitec 8XXX series servos must use Futaba type.