• Monobloc tap spanner set: Fits 8 to 9 mm, 10 to 11 mm, and 12 to 13 mm backnuts, covering the most common sizes for kitchen and bathroom monobloc mixer taps
• Complete 4-piece kit: Includes three double-ended box spanners and a strong tommy bar for extra grip and leverage when loosening or tightening backnuts
• Box spanner set: Made from durable zinc-plated steel for long-lasting strength and corrosion resistance, even in damp under-sink conditions
• Tube spanner set for taps: Hollow centre design slides over threaded rods and hoses, giving easy access to concealed backnuts in tight spaces
• Tap backnut spanner kit: Perfect for installing new taps or securing loose ones, suitable for both DIY projects and professional plumbing work
• Compact hand tools addition: Lightweight and easy to store in any toolbox, making it a reliable part of your everyday plumbing tool set

The monobloc tap spanner set is designed to make installing or removing mixer taps simple and efficient. Covering 8-9 mm, 10-11 mm, and 12-13 mm backnut sizes, it's compatible with most monobloc mixer taps used in UK and EU kitchens and bathrooms. This complete 4-piece kit includes three double-ended box spanners and a sturdy tommy bar, giving you the leverage needed to tighten or loosen backnuts, even when they're tight or corroded. Each box spanner is made from zinc-plated steel for strength and corrosion resistance, ensuring reliable use in damp under-sink environments. The tube spanner design features a hollow centre, allowing it to slide over threaded rods and flexible hoses so you can easily access concealed backnuts in tight or awkward spaces. Whether you're fitting a new tap or securing a loose one, this tap backnut spanner kit is ideal for both DIY users and professional plumbers. Lightweight and compact, it's a practical addition to any hand tools or tool set, always ready for kitchen or bathroom plumbing tasks.