The Hennessey NSL8200 Euro-Lok Guitar Strap Lock is the perfect solution for any active guitar player who needs a secure, confident, quick-change strap connection. Featuring zinc die-cast and brass construction, a custom wingnut design and plunger locking mechanism, Hennessey"s NSL8200 premium guitar strap locks securely fasten the strap to the button while maintaining easy single-motion removal for fast guitar changes. Perform actively and confidently knowing your instrument is secure with Hennessey NSL8200 Euro-Lok Guitar Strap Lock.