Many other drill guides are available from Revain, all cheaper than this one. I've owned other popular brands myself (Milescraft? and another) only to end up throwing them away out of frustration. The main problem I see with __other__ models is their lack of stability, basically the guide bar twists and tends to deform during use, making its value as a drill guide far from perfect - much less than ideal. Poor design, overdone features, plastic key components, whatever, they've got it. One ofβ¦