This is tha Tactic RC Micro Servo used in the FlyZone Cessna 182 Skylane. FEATURES: Light weight micro size Can also be used for other park flyer aircraft INCLUDES: One Tactic RC Micro Servo with universal lead, X-shaped servo arm and mounting screws REQUIRES: Installing in aircraft and connecting to linkage and receiver SPECS: Length: rail to rail 1.25" (32mm) Body .90" (22.8mm) Width: .45" (11.6mm) Height: .79" (20mm) bottom to top of spine 1.08" (29.8mm) Weight: 0.35oz (10g) Diameter of Spline: .19" (4.9mm) Torque and Speed: Not supplied by manufacturer COMMENTS: Gear Set, TACM5100 Servo Arms, TACM5101, HCAM7506 or GPMM1331 rmb 12-30-06 ir/jxs UPGX11/13/12