Keep your fitness equipment with this exercise machine pull pin knob. The ball-shaped knob provides a comfortable grip, and the spring-loaded pull pin allows secure adjustments. Suitable for various exercise machines, this replacement part enhances the functionality and safety of your home gym equipment. Features Thread: Rod diameter: 8mm -Color:Multi -Material:ABS -Size:8.50X5.00X5.00cm/3.34X1.97X1.97in -Solid material: constructed with this pull pin knob allows durability and reliability -Removable feature: the pull pin knob is designed to be easily removable, allowing for convenient installation and replacement -Effortless installation: with a installation process, this exercise bike knob replacement allows for replacement of fitness equipment parts -Versatile application: suitable for a wide range of fitness machines, this fitness equipment knob replacement enhances the overall functionality and effectiveness of your workouts -Rotating ball design: the ballshaped rotating design offers flexibility, making adjustments more convenient and userfriendly Package list: 1 x treadmill rotating pull pin