Add style and strength to your model with Aluminum Servo horns from Futaba. FEATURES: Sturdy aluminum construction (blue in color) Single sided arm with 3 pre-drilled starter holes Splined mounting hole for easy repositioning Designed to fit Futaba standard size servos with approx. 6mm output shaft. Many larger (1/4 scale) servos have approx. 7-1/2mm shaft. INCLUDES: One 1" long blue aluminum servo horn REQUIRES: Servo with 6mm diameter output shaft Servo horn screw - FUTM2260 SPECS: Length: 1" (25.4mm) (from center of mounting hole to center of first starter hole). Thickness: .122" (3.10mm) Diameter of the three starter holes: .063" (1.6mm) kpm02/10/2004 ir/jxs updt jxs 2/25/04