Use with any Starter unit from a Roto Start or Roto Start 2 system

9 will fit right into any 1/8th scale big-block chassis

and barrel rolls or extended flight times when enjoying more relaxed flight maneuvers

including 30MS Mano Sakuragi (sold separately)

Double secured with 2 set screws on the side to provide extra security for those high torque application

K & S Metals - Music Wire: 3/16" OD x 36" Long HPI160375 Use with any Starter unitMusic wire, a high carbon steel wire, offers a wide array of benefits across applications. Its standout feature is its high tensile strength, making it ideal for various mechanical uses. Additionally, its excellent spring properties make it perfect for crafting springs for applications in automotive, aerospace, and medical devices. In the realm of music, it's essential for creating piano, guitar, and violin strings due to its unique acoustical