These classic Rubber Strap Locks have been used for decades by the Pros, and now we have made them available in Ebony Black. Made of Super-High Quality Domestic Rubber! They are easy to install, and they are very reliable. They slip over the strap peg on just about every electric guitar & bass, as well as most acoustic guitars. No need to spend lots of money on highly engineered strap locks that require the removal of your factory strap pegs. Simply put your strap on the peg and stretch the Rubber Strap Lock over the peg. You will be amazed at how secure the strap is with these installed. Can be removed very quickly and reused indefinitely. Check out our other Amazon listings for more color options and value pricing on multiple packs.