Structure: screw + spring + buckle + engineering plastic cover, it is a necessary component for adjusting and repairing bicycle cables. High strength and durability, and it allows you to adjust the tension of the bicycle cable, easy to install and disassemble, convenient to use and quick to use. 3 pairs x screws, the quantity is enough for you to use and replace, not only saves costs, but also saves time and effort effectively, practical accessories. Note: The data is all manually measured, please allow an error of 1-3cm. Due to differences in light and display, there may be color differences, please refer to the actual object received.