Premium Material: The Mushroom Shape Designed Guitar Strap Lock Is Made Of Great Quality Metal With Gold/Silver/Black Surface, Bright Colors. With The Sufficient Materials, The Accessory Is Anti-Rust, Corrosion And Durability, Can Last For A Long Time. Wide Usage: Elaborately Designed For Most Kinds Of Guitars, Apply To Acoustic Guitar, Classical Guitar, Electric Guitar, Bass Or Ukulele, Can Hold The Strap Firmly In Place, Helps You To Prevent The Strap Draw Down. Guitar Essential Accessories: Security Strap Lock Attaches The Guitar Strap To The Guitar, Dont Worry About The Strap Slipping Off While Standing, Protect The Guitar From Falling Damage, So Your Instrument Is Always In The Best Of Hands. Simple Installation: The Guitar Strap End Pins Are Easy To Install And Convenient To Use, Simply Insert The Strap Lock Into The Fastening Nut, Make Sure The Pin Is Tightened, Then Lock The Strap To The Strap Lock Button. Package Includes: One Package Includes 9 Pack Guitar Strap Buttons In Silver, Gold And Black Colors, 3 Pack For Each Color, Can Be Well Matched With Your Guitar And Strap Of Various Colors, Meet Your Daily Needs.