This versatile pull pin spring knob is Suit for home gym setups, making a Sturdy Pull Pin Spring Knob for adjusting the height and position of your fitness equipment. Whether you're using it on a rowing machine or a squat rack, the spherical design allows for easy handling and precise adjustments. Just , adjust the equipment, and release to it securely. Features -Color:Black yellow -Material:ABS -Size:7.80X5.80X5.80cm/3.07X2.28X2.28in -Quick adjustments: the ballshaped rotating pull pin design allows for adjustments, enhancing the quick of your workout routine -fit: with the spring knob pull pin, you can easily adjust the tightness to suit your specific needs, making a comfortable and secure fit -Multiequipment compatibility: this pull pin is compatible with a wide range of fitness equipment, including cable machines and rowing machines -Construction: made from materials, this pull pin spring knob is built to last, providing longterm reliability and performance -Userfriendly design: the simple and intuitive design makes it easy for anyone to install and use, regardless of their technical Package list: 3 x fitness equipment head pin