YE754W Brand: SANLIANHUAN. Model: 002. Left servo for 2.4G 9958 RC Single Helicopters. It needs professional skills to maintain the product; there is no compensation for any damage due to non-professional operation. Our repair parts products are 100% tested before shipped. Package Details Weight: 0.54 g Size: 2*1.5*1 cm Package Includes 1 × Left Servo