This ball head locking pin is for securing weight stacks and other gym accessories. Its single ball mechanism provides a firm hold, preventing accidental dislodgement during intense workouts. The sleek design and sturdy build make it a must-have for any fitness enthusiast looking to improve their exercise routine. Features -Color:Black -Material:Iron -Size:13.00X3.00X3.00cm/5.11X1.18X1.18in -Enhanced stability: the ball head safety pin and ball pin design offer enhanced stability, making your workouts more comfortable -Reliable locking mechanism: the ball head locking pin prevents any loosening during use, ensuring your safety at all times -Multipurpose application: ideal for use in different environments like home, office, and recreational spaces, catering to various requirements - durability: made from materials, this pin longterm reliability - setup: the straightforward design of the pin allows for installation, making it convenient to use Package list: 4 x Weight Stack Pin