I added flip down caster wheels to my table saw. Cheaper than a mobile base.

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Caster Wheels Added To Sawstop Contractor

https://edmomot.github.io/caster-wheels-added-to-sawstop-contractor/

My table saw needs to be mobile so I can put it away against the wall when I’m not using it. The existing products are expensive or don’t fully swivel. I came up with a cheap and convenient solution using flip-down casters.

Pretty happy with how this turned out, even months later