These are a pair of motorcycle swingarm spool sliders. The main body is crafted from CNC - machined aluminum alloy, presenting an exquisite red appearance with a metallic sheen after surface treatment. The screw rod part at the top is made of silver - white metal, which is sturdy and durable. A black washer is equipped at the junction of the screw rod and the red main body to provide stability and cushioning. In terms of specifications, different sizes such as M6, M8, and M10 are available. They are suitable for Kawasaki Ninja series motorcycles from 2017 to 2025. After installation, they can be used in conjunction with a motorcycle stand during vehicle maintenance and can also provide a certain degree of protection for the swingarm.