Krobahn KB-MBBN2531 25.4mm & 31.5mm Tap Backnut Box Spanner - Sink Basin Bath Wrench Tool - Manufactured from high-grade Steel.- Double-ended box spanner for quick assembly of tap back nuts on basins & baths.- Specially designed size to fit smaller Brass replacement back nuts.- It is easy to use and also comfortable and ideal for home and professional use.- It is an essential part of your toolkit. The KROBAHN 25.4 & 31.5mm TAP BACKNUT BOX SPANNER, KB-MBBN2531 is manufactured from high-grade Steel, Double-ended box spanner for quick assembly of tap back nuts on basins & baths, Specially designed size to fit smaller Brass replacement back nuts, It is easy to use and also comfortable and ideal for home and professional use, It is an essential part of your toolkit. Features: - Includes Tommy bar.- Length: 210mm.- Size: 25.4mm and 31.5mm.- Color: Black.- EAN: 7126211103712.- Brand: Krobahn.