Will this work for the tail on Blade 400?
Spektrum DSP75 Prog. Digital Sub-Micro Servo

Specs
Size Category: Minis and Micros
Type: Digital
Torque: 19.0 oz/in @ 4.8v
Speed: .11 sec/60° @ 4.8v
Dimensions (WxLxH): .90 x .45 x .94 in (23 x 12 x 24mm)
Weight: .26 oz (7.5 g)
Bushing Or Bearing: Bushing
Motor Type: Coreless
Connector Type: Universal
Gear Type: Nylon

http://www.spektrumrc.com/Products/D...rodID=SPMDSP75

I replaced all the others with Hitec 65's and used all the stocks for the tail, on my last stock servo.