The Swanson speed square two-pack (12″ and 7″) is an outrageously good deal! These lightweight aluminum tools are virtually indestructible. I still have my originals from the 90s, and multiples in the shop.
Primarily an angle layout tool, the speed square actually has about a million uses. For many carpenters, it’s also the fastest 90-degree marking tool.
And, you can use it as a guide for your circular saw!
This particular combo also comes with Swanson’s “Blue Book,” which is a legendary guide to laying out roof and stair angles that many framers have kept in their tool belts over the years.

Swanson’s little blue speed square book
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