Come with some screws, easy to install Look more attractive Made of high quality material for precision, rigidity and durability This is a replacement scx24 stock servo horn, intended for use with ES08MAII 12g analog servo Tool Supplies:Assembly Category RC Parts & Accs:Servo Accessories Use:Vehicles & Remote Control Toys Technical parameters:Value 2 Remote Control Peripherals/Devices:Receivers For Vehicle Type:Cars Four-wheel Drive :Assemblage Wheelbase:Screws color:Black+red Material:Aluminum alloy Package Contents: 2 x 15T Servo Arm Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.