A result of years of research, the patented design of Planet Lock fits virtually any guitar and stays locked in place until you release the side pin. Unlike ordinary strap lock systems, the Planet Lock is designed to fit securely on your guitar"s existing end pin. No need to change end pins or worry about whether the lock will stay in place. The Planet Lock is safe, secure, and easy to use. Adjusts 32"-57"New and Improved Design! 60% smaller strap ends with improved locking mechanism Now available in Planet Waves 5 best-selling strap patterns Adjusts 32"-57"