Compact and lightweight, the Pop Pull Pin Knob is an adjustable, non-slip exercise accessory designed for portability. Whether used in a home gym, during traveling, or in limited spaces such as dormitories or apartments, it proves to be a versatile tool. This sturdy replacement part ensures seamless integration into your fitness routine, offering dependable performance without adding bulk to your setup. Specifications: Material: aluminum alloy + steel + PP, Product size: about 10.2x5.7x2.1cm/4.02x2.24x0.83 inches, Product weight: about 120g. Packing List: 1* Pop Pull Pin Knob. Note: Due to different lighting and screen settings, the item color may be slightly different from the picture. Due to different manual measurements, please allow a 1-2cm difference in size. See more product details. 1.Non-Slip Textured Handle: This adjustable pull-pin knob combines a non-slip textured handle with an intuitive design to modernize the adjustment process, making it easy and efficient to operate with 1 hand. 2.Strong and Versatile: Crafted from high-strength aluminum alloy, this knob ensures sturdiness and smooth resetting with its elastic pin design for mainstream interfaces. 3.Wide Compatibility: The elastic pin and knob system is designed for power racks and rowing machines, ensuring seamless integration with various equipment frames for multi-scenario use without limitations. 4.Effortless Storage Solution: Designed with portability in mind, this pull pin knob combines compactness and lightweight properties for convenient handling and accessible use at all times. 5.Optimized Safety Feature: Incorporates internal spring pressure for secure locking, enhancing safety by maintaining tight connections and avoiding accidental loosening or separation.