I must say that I am impressed over the difference these sleeved washers do! Makes tuning an easy task that anyone can manage. It gives almost an imidiate response when you turn the lug screw. Allows for lower tuning (especially on the base drum). Be aware of that it will take some force to get the washers on thicker lug screws (i.e. base drum) but when in place they work just fine. I would recommend these to everyone who is a bit picky when it comes to tuning the drums.
If you don't have washers on your toms and snare, you should absolutely get some. My toms now stay in tune much longer and they don't rattle at all. These are great for what they do - yet I think they are a bit overpriced.
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