Securely fasten your strap to any instrument with Ernie Ball rubber strapblocks. Fits most strap button types and provides a tight fit without any modification to your guitar. Made of flexible, durable rubber that will slip over existing strap buttons for a secure connection.Outside the UK?Please note that shipping costs outside the UK are very approximate and can vary radically. Please contact us with your Country and Post/Zip Code for an accurate quote. Many thanks. Please also note if you are outside the UK we will not charge you tax on your purchase but you may be liable for import duty in your country.Please also note that all our stock is sold for the UK market. If you are buying from outside the UK, please check that it is suitable for use in your country before purchase.