One more thing you WILL need... calipers. No need to spend a fortune right out of the gate... I prefer dial calipers... no battery. The Harbor Freight ones are good enough to start with. (I have Mitutoyo's but a few of the guys at work have these and they do fine.)
Digital Calipers - Save on these 6 Inch Digital Calipers
6" Dial Caliper
Digital Calipers - Save on these 6 Inch Digital Calipers
6" Dial Caliper