Monument 46mm x 50mm Waste nut Box Spanner

Good value for money. Works well. Packaged well delivered well. Well made. I am a skilled electrical mechanical engineer by profession and was an on screen expert for BBC Watchdog and Rogue Traders for some years and subsequently sworn to honesty. I tend to research a product drilling down into the quality and value of the item before I buy. I am not paid for my reviews and have no personal gain from them. I have no difficulty recommending this item. What's not to like. Go buy!

I had battled with a leaking sink having installed a new plughole fitting. The pictures show the old one. This spanner, which I wish I had bought months ago, fitted the new (and old) plastic holding nut perfectly. I was able to hand-tighten the nut at last. Works well and is very sturdy. So much easier than dismantling a bathroom!

Bought this to use it on a 50mm waste basin sprung nut. It works. The only downside is that the plastic nut is bigger. You have to file the nut a little bit. 5 extra minutes of work. I used a small file. After that to tighten it was easy. Used only my hands

It's a box spanner. What can I say? You need your own bar or screwdriver to turn it. Actually, this is too big for what I wanted but I'm keeping it as it might be useful in the future.

Good strong tool perfect for the job I needed it for to get into a tight space good price fast delivery

Haven’t used it yet. Am a plumber. Won’t fit over the plastic backnuts easily. Have had to take a file to the inside to get it just to fit. Idea is good

This box spanner is a god send it fits the tightening nut perfect do the sink drain is solid the spanner works as it should and is chunky enough to just use your hand grip to tighten the nut

This is an essential tool for anyone wanting to install/remove a standard UK bathroom basin wastes. This box spanner is very well made from thick robust metal and is double ended for two different sized hex nuts: 46mm and 50mm (inner diameters). The total length is 200mm. There are also 4 holes for a tommy bar (not included) for extra leverage but I found tightening by hand was good enough. The tool is reassuringly heavy. The waste backnut on my basin is 1-1/4in BSP (46mm), which is quite common for bathrooms, and this spanner fitted quite well although there was a little bit of play. Please note this spanner will only fit brass or metal nuts. The cheap plastic nuts that come with most wastes will not fit. Overall this is quite a specialised tool for a very specific job, but worth it to avoid scraping your hands in the tight spaces under the sink. This is a great quality tool from Monument. Recommended.