Feature:3.Made of aluminum alloy,high quality material,strong enough and light weight.4.High quality and Long durability,provides excellent performance.5.Suitable for RC1:8 1:10 1:16 Model Car Servos.6.Includes 3 buckle rings,1 gasket, 1 screw, to secure the horn arm onto the servo output.Note: It is not replacement for KST X10.SpecificationColor:RedMaterial: Aluminum AlloySize: 24.4 x 16mm/0.96 x 0.63Inch(L x W)Inner Dia: 5.5mm/0.22inch & 3mm/0.12inchModel: replacement for N10220Applicable to :RC1:8 1:10 1:16 models of all brandsBrand name: BQLZRWeight: 11gPackage include:1 x Steering Servo Horn Arm Set3 x Buckle Rings1 x Gasket1 x Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin