This is a versatile and quality magazine rack designed for machinists and prototypers. This is a great value even though the turn signal bracket is designed for metric (8mm) mounting studs. I use this magnetic base both in my workshop with indicators and in my lab where I prototype various optical/mechanical setups. I have 5 of these machines. In the machine shop I use two gauges to hold dial gauges and move them in the milling head, vise, etc. With the depth gauge, I can pinpoint the depth ofβ¦