The standard Starrett metric and imperial combination square with precision ground cast iron square head complete with reversible lock bolt, scriber, spirit level, and durable crinkle finish. Both sides of this hardened steel blade are deeply photo-engraved with full mm and 64ths on one side, half mm and 32nds on the other.
Although there is no current standard for combination squares, Starrett continue to manufacture to a now obsolete U.S. federal specification of 0.004in per foot max deviation for square, with blade edges straight to 0.001in.
All standard Starrett combination set components are interchangeable, so if you choose to add a centre head, longer rule or protractor, you can be confident that they will work with your existing Starrett kit.
Packaging: cardboard box