Welcome. What you are calling a Tech is actually a black handle Superspeed. The tech is a three piece razor.
Welcome from a misplaced Iowan. Born and raised in Marshall County till I went off to the military. Still has a lot of love for that area. This is a great place to learn and socialize. Enjoy!
Welcome to The Shave Den! Check out the 30 Day Rule/Focus group. The idea is to improve your technique, help each other, and have fun. You're welcome to join, and if you do, your shaves will likely improve dramatically in 30 days. Several guys there are using Gillette adjustables this month.