YO724L Light weight and high quality. Designed to repair or replace old or broken rotor head for CB100 helicopters. 100% fits all CB100 helicopters. Stable performance. Comes with a set of fittings for easy installation. Offers your helicopter a new look. Package Details Weight: 5.35 g Size: 5*5*1 cm Package Includes 1 × Rotor Head 1 × Set of Fittings