???Specifications:
100% Original Walkera brand.
100% Brand New.
Suit for: Walkera QR Y100 FPV Multirotor
High quality and durable in use.
Easy to install.
Package size: 10 * 10 * 2 cm / 4 * 4 * 0.8 in
Package weight: 10 g / 0.3 oz

Package list:
1 * Original Walkera QR Y100 FPV Multirotor Part Gear Shaft Set QR Y100-Z-08