I use it for positioning/aligning my laser. Works great for what it is. Please note this is not a precision fastener. It's aluminum-plastic die-cast parts and it does have some play, but for the money and what it's capable of, it's definitely worth having on hand. But being able to rotate the laser with the fine tuning wheel is very controllable and amazing! There are also dials for moving along the X and Y axes, but the range isn't huge. The wheel itself is worth the money.
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