Hot Racing Aluminum CNC Heavy Duty Servo Saver w/Heavy Spring Tension (Black)

This is the Hot Racing Aluminum CNC Heavy Duty Servo Saver in Black anodize, with a heavy spring tension. 
Features:
CNC 6061-T6 aluminum construction
Black anodized
Multiple inserts to accommodate many different servo splines
Specifications:
Length: 1-1/2 inch (38mm)
Diameter: 1 inch (25mm)
23 Tooth Insert (K): (KO, Sanwa, JR, Airtronics, Spektrum)
24 Tooth Insert (H): (Hitec)
25 Tooth Insert (F): (Futaba, Traxxas, SAVOX, Tactic, some of the new Hitec) 
 
Includes:
(1) servo saver
(1) spline adapters for 23 tooth (KO, Sanwa, JR)
(1) spline adapters for 24 tooth (Hitec)
(1) spline adapters for 25 tooth (Futaba)vA