Ernie Ball Super Locks feature a push-button, quick-release design to provide a safe, complete 360-degree secure connection. Ernie Ball mechanically engineered these strap locks to ensure ultimate instrument protection. Locking pins ensure that the locks will not release until the buttons are completely depressed. All Ernie Ball Strap Locks are casehardened and steel-plated, making for the most robust and rust-resistant strap lock on the market. Each strap lock installs easily without any modifications whatsoever.