Your buying 2 E3003 Standard servos both have a broken lugs otherwise working fine 


3kg Throttle (Plastic Gear)
 
3kg servo suitable to replace most throttle servos on 1/10 rc model cars. 

  
40mm long x 19mm wide x 38mm tall
(measurements exclude the servo gear and the mounting tabs on either side)
 
Input voltage 4.8v - 6v
Turning time in seconds 0.25