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TodaysTools Backnut Spanner Basin and Sink Waste 1 1/4"

4.0 (201 reviews)
SKU: 260223155530823 EAN: 5060123061796

Compare 1 price for TodaysTools Backnut Spanner Basin and Sink Waste 1 1/4" — from £8.99 across 1 UK seller including Toolstation.

£8.99 19h ago
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Customer Reviews 201

4.0
201 reviews
5 star
118
4 star
27
3 star
17
2 star
11
1 star
28
Basin waste removal Tool
5.0
February 27, 2026
EX30 man Verified Purchase

Great tool for basin waste removal.
Perfect for trick waste pipe remval

Great bit of kit
5.0
February 27, 2026
MrMcMessy Verified Purchase

What a magnificently useful piece of kit. As well as catering for two different common sizes of waste backnut, I suspect that it will be handy for larger metric nuts when working on motorcycles as well. Seems well made and fitted on the nut snugly.

Drove me nuts
5.0
February 25, 2026
Filton Verified Purchase

Good box wrench although i agree with two or three people on here regarding the sizing.I needed this to remove the large backnut under a basin ,wouldn’t fit ,shaved off some of the plastic nut still no go,filed the edges of the wrench all the way round and all ok , although it was a perfect fit on the new nut no problem.

Essential for basins
5.0
February 17, 2026
Niko12 Verified Purchase

Ideal for basin wastes that are difficult to reach

Ideal for removing basin waste trap nuts
5.0
February 8, 2026
Wayne189sm Verified Purchase

Used this to remove a basin waste trap. Perfect fit in a tight space and couldnt have removed the waste trap nut without it. Not cheap but worth the cost to be able to get the job done

Too long
3.0
January 31, 2026
Ray Widnes Verified Purchase

Whilst the quality of this box spanners seems good it was too long for the purpose I bought it for. It will be fine for basin or sink wastes but will not fit under an installed bath to replace the waste. One inch shorter and it would have been fine.

Doesn’t fit the waste purchased from you!
3.0
January 28, 2026
6ab35cd5-5542-5431-9da8-c30351ad860e Verified Purchase

Already purchased a waste from you and because it’s in a difficult location I bought this spanner as it was “perfect” for the job. It wasn’t. The nut was eight sided and this is six - never assume they will all be the same. The item works very well but I had to purchase another waste in order to use it. 😡

Effective
4.0
January 27, 2026
5b1b6622-7ace-533e-866d-993430d1fef6 Verified Purchase

Good tool, even better when I improvised a way to stop the wash basin plug hole from turning. Quick and easy method to compress the conical rubber seal under the ceramic basin. No compound or silicone required. Dry.

Saves so much time!
4.0
January 9, 2026
Aldershot Handyman Verified Purchase

One of those tools that saves so much time. The basin I was fitting the waste to had so little access space - my first attempt with pump pliers took 45 mins. With this tool, it took about 5!

Worked well
5.0
December 20, 2025
Matty JA Verified Purchase

Worked a treat. Fit the nut perfectly and got think unit out

Time saver
5.0
November 12, 2025
Wayne660 Verified Purchase

Struggled for a long time with a wrench and when I saw this I knew I had to purchase it. Although it will be used infrequently it is well worth it for the time and struggling that it saves, just wish I had bought one a long time ago

Does not fit a 50mm back nut
1.0
November 9, 2025
JohnPicarooner

Wish I had read the other reviews before buying this. The 50mm will not fit a plastic back nut. Why is TS still selling these given the feedback?

Don't bother!
1.0
November 5, 2025
Lunchtimer

50mm hex sink waste nut, 50mm hex socket. No problem. You'd think. Wrong. The waste nuts wouldn't even look at this spanner. Several hours of filing later (and knife edge wall thickness remaining) it just about fitted enough to get some purchase on the nut. All in all, very frustrating and a waste of time and money!

sturdy but misleading dimension
3.0
October 18, 2025
Dutchmaster Verified Purchase

sturdy box spanner. Illustration is of a different size. The dimension is misleading - presumably refers to the pipe size on which the nuts for which the spanner is sized.

Basin spanner
5.0
October 17, 2025
b802b197-8ef5-5cf9-8b91-c47ff0735c11 Verified Purchase

this is a hex spanner so will not properly fit octagonal nuts (usually plastic type) . This spanner is great for getting into a tight space such as a pedestal basin support.

doesn't fit without a lot of filing
1.0
October 2, 2025
Bucks HP6 Verified Purchase

I needed a spanner to remove a 50mm diameter sink waste nut but the 50mm end of this tool was too small to fit over it. After a lot of filing I managed to get it to fit. Shouldn't have had to do this.

Hard job made easy
5.0
September 16, 2025
Big Steve 51 Verified Purchase

Good solid tool for the price, spot on, it turned a difficult job into a simple task.

Useful spanner
4.0
September 8, 2025
Teabreak Verified Purchase

Useful basin sink waste spanner, the only down side could be clearance in tight situations.

Box spanner
5.0
August 20, 2025
58e0130f-6996-58e0-a156-16773298f4ea Verified Purchase

This is a 46/50mm box spanner. Did the job when no other would fit. Waste back nut.

Makes the Job a lot easier.
5.0
August 9, 2025
Cooter0210 Verified Purchase

Perfect fit for tightening the waste nut under the sink. Took seconds to secure even in a tight space.

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