Excellent cyclic or tail servo. High speed, light and lots of torque. Direct replacement for the Wasp or Mosquito tail. No reversing needed. SPECS: Dimensions: 0.9 x 0.4 x 0.9" (7/8 x 7/16 x 7/8") (22 x 11 x 23mm) 6V: Torque: 24oz-in (1.7kg-cm), Speed: 0.09sec/60° 4.8V:Torque 21oz-in (1.5kg-cm), Speed: 0.10/60°