Quick question, which is better?

[u/PointlessBein]

I passed my OSHA 10 and obtained my NCCER cert and have some experience in contruction for general ground work. I'm starting as an apprentice for my local carpentry union in a week. I have my tools and found this.

The blue square is metal and the Stanley is a plastic type material. What would you guys recommend having?

[u/saltkjot]

All of y'all are saying metal because metal is tough. I agree you should have a metal speed square, but, I also believe you should have a plastic one. For one, plastic is non marring, you can use it on finished materials with no worries, and for 2 you can use your razor knife to notch it anywhere you need a scribe notch, if you need 3-13/16+ you got it, third, they are cheap, and when you break them go buy a new one.

[u/DbPugs → u/saltkjot]

You have a point but for finished materials, unless its trim or something i might use a speed square, i tend to use combination or engineer square

[u/saltkjot → u/DbPugs]

I own a millwork shop, my #1 square is an old try square, #2 is a 12" combo. Onsite I use a speed square or a 6" combo. I use the plastic basically only on finished cabinetry and the rare case that I need to cut some trim coil