Secure locking mechanism The Gym Selector Lock Pin features an embedded locking function that keeps the weight stack securely in place. This added stability reduces the risk of accidental shifting, enhancing workout safety during lifting and transitions. Attached lanyard for easy access A builtin lanyard keeps the pin attached to the machine, making it easy to locate and reducing the chance of misplacement. Effortless insertion and removal The lightweight detent hitch pin design allows quick and easy insertion into the weight stack. This enables fast adjustments between sets, supporting smooth transitions and efficient training sessions. Sturdy weight stack pin Made from solid iron with a plastic knob, this pin delivers durable and stable weight selection. Its sturdy construction is built for repeated use in gym environments. Use scenarios Circuit training in a busy gym: switch between stations quickly while keeping the pin attached and secure to avoid interruptions. Home gym with multiple stacked stations: easily adjust weights between exercises without hunting for misplaced pins. intensity intervals: rapid weight changes between sets with a lightweight, reliable pin for safe transitions.