Usage Tips:This fitness equipment replacement knob is an essential accessory for maintaining your exercise machines. The ball-shaped knob provides a comfortable grip, while the spring pull pin mechanism allows secure and precise adjustments. Ideal for home gyms, it helps you keep your fitness equipment in top condition for effective workouts. Features Thread: Rod diameter: 8mm -Color:Multi -Material:ABS -Size:8.50X5.00X5.00cm/3.34X1.97X1.97in -Sturdy abs construction: crafted from ABS, this pull pin knob is built to withstand longterm use and wear -Easytoremove pin: the pull pin can be easily removed, providing a practical solution for installation and replacement tasks -Quick installation: designed for installation, this adjustable pull pin knob allows for fast and easy replacement of fitness equipment parts -Versatile use: compatible with a wide range of fitness equipment, this gym equipment pin enhances the performance and usability of your workout machines -Flexible: the ball shaped rotating design offers excellent flexibility, making it easier to adjust and operate Package list: 1 x treadmill rotating pull pin