Reef's RC - Standard 25T Round Horn Model Rockets Rocket Starter Packs Axle nuts are tightened with

Axle nuts are tightened with included hex wrench

The angled holes allow you to run lower oil weights to generate more grip

2V NiMH Stick Pack for the Rotostart system: HPI Recommends #160151 Plazma 7

Use one or both channels to power items such as pit lights

Reef's RC - Standard 25T Round Horn Model Rockets Rocket Starter Packs Axle nuts are tightened withThe REEFS RC Standard Round Horn 25T is designed for any servo standard 25T spline servo. Includes servo screw for mounting the horn to the servo, and 4 screws for the holes in the horn. Features: For Standard 25T Servos 25T Spline CNC Machined Aluminum 5. 92 Diameter M3x8 Center Screw 4 Threaded Holes M3 Includes (1) M2. 5x4 Screw Includes (4) M3x6 Screws