Horn gear spline:25T/Φ4.9mm

Outer bore Diameter:M2

25T Metal servo arm. Imported aluminum, all-metal CNC carving, high-gloss processing. The distance between the output tooth center toouter bore is 12/15mm(0.47/0.59 inches). Including with M2.5x5 flat head screws，product net weight: 0.8grams