Enhance your instrument's strap security with Ernie Ball's blue rubber strap blocks. These blocks are made of flexible and durable rubber. They can easily slip over existing strap buttons, offering a tight fit for most strap button types without any guitar modifications. Each pack comes with 4 pieces, perfect for all your instrument needs.

Using these Ernie Ball rubber strap blocks is a breeze. Just slip them over the existing strap buttons on your instrument. This will securely fasten your strap, giving you peace of mind during your performance. When handling these blocks, be careful not to use excessive force as they are made of rubber and can be damaged. To maintain them, simply clean them with a soft, dry cloth regularly. This will keep them in good condition and ensure a long - lasting secure connection for your instrument strap.