Dennis Monotap Backut Box Spanner Set Covers 9, 11, 12 & 13mm sizes. The Tommy bar is included. This is suitable for use on monobloc basin and sink mixers. It is suitable for fitting and removing tap back nuts in difficult to reach places. Very strong and robust.

• Covers 9, 11, 12 & 13mm sizes
• Tommy bar included
• Suitable for use on monobloc basin and sink mixers
• Suitable for fitting and removing tap back nuts in difficult to reach places
• Very strong and robust