The Monument 27mm 32mm Tap Back Nut 1/2" - 3/4" Box Spanner Tool is a high-quality hand tool designed specifically for use with sink basins. Made in the United Kingdom by the trusted brand Monument, this box spanner is perfect for gripping and turning nuts with a 27mm or 32mm diameter. The durable construction and precise design make it an essential tool for any plumbing or maintenance job. Ideal for professionals and DIY enthusiasts alike, this box spanner is a reliable and efficient solution for managing tap backs with ease.