Enhance your workout use with the gym accessory spherical rotating pull pin spring knob. Ideal for use with cable machines and exercise bikes, this knob makes your equipment stays firmly. To operate, to disengage, adjust the equipment to your desired position, and release the pin to lock it back in place, providing and stable exercise environment. Features -Color:Black yellow -Material:ABS -Size:7.80X5.80X5.80cm/3.07X2.28X2.28in -Easy adjustments: the ballshaped rotating pull pin design simplifie the process of making adjustments, during workouts -Adjustable spring tension: the spring knob pull pin offers adjustable tension, allowing you to the resistance to match your fitness level -Wide compatibility: suitable for use with various fitness equipment, including exercise bikes and weight benches, making it a versatile choice for any gym -Ideal for all settings: suit for both home and commercial gyms, providing a convenient Pull Pin Spring Knob for different workout environments -Easy to install: the easy installation process makes that you can quickly set up and start using the pull pin spring knob without any hassle Package list: 2 x fitness equipment head pin