El producto es bueno lastima que no revisaron y me enviaron dos iguales para metal, y yo encargué uno para metal y otro para sheet rockThis product works but it's not the same size hole as shr box and the box or the cutout is crooked and is super tight that the box will not fit in hole so you have to cut the hole a bit bigger and this was for single gang box something with the box is not straight so you will have to cut a bit bigger on top and bottomI was excited to get these because it would make cutting outlet boxes easier. I like the concept but the execution is poor.These are machine cut from plastic. The edges are not cleaned after they are milled.The white print showing a ruler and text is thin and low quality. It was already rubbing off just by touching it.The bubble is bizarre. Unless you lay these flat, the bubble level is not accurate. It’s a bubble meant to show level on a flat surface. It’s useless when placing on a wall to make a level line/cut. They should have gone with a standard bubble level found on typical plumb/level tools.I bought both low voltage and high voltage versions and both were substandard for the price.I will be returning these as I cannot use them for their intended purpose.Worked great for cutting in new low voltage boxes. On pointThese are super nice or anything but do the job. The edges are bit rough and the bubble gauges are not the most accurate that could have been used. I ended up returning these and getting the JonardUseless bubble doesn’t work for level or plumb, template is exclusively to use with cut in METAL boxes!This product is junk. Got it today and made a test cut and it wasn’t even the correct size. Not to mention the level is completely useless unless you lay the template flat. Thank god I made a test cut before using this on an upcoming project. I do not recommend this product.I used the item and the measurements and levels Are way off.In my opinion it is not recommended to use this for quality work.I had images as proof but Amazon deleted them, don't know why.It doesn't work with most electrical boxes, completely useless.