Studiospares Speaker Isolation Riser - bargain?

[casapete]

Just seen this - anyone have any experience of them - seems an okay deal for £18.99?

https://www.studiospares.com/studiospares-speaker-isolation-riser_465310.htm

[mybass]

Studiospares stuff is pretty good.....this is a good price...seems pretty wide for a bass cab and more for a combo 7nit but at that price a bit of a bargain.

[baldwinbass]

Been using one for home practice for years, absolute bargain price. I would add, though, that it won't stop all the low frequencies if you crank the amp. It will stop the crockery from rattling at reasonable levels.