The heavy square base ensures stability and precision, you will love the weight, balance and design of this engineer square.
The blade is permanently fixed to the beam by means of tapered locking rivets which ensure complete rigidity. Blade edges and beam faces are precisely ground and polished for straight and smooth, have an inside notch for accuracy.
This machinist square accuracy reaches DIN 875 1, it is THE square that you proof everything else to.

Specification:
Material: Hardened Steel(45 Steel)
Precision: DIN 875 1
Size:100x63mm(4x2.5 inch)

Use For: Suitable for use in laboratory;woodworking, precision layout work and machine set-up

Package :
1 x Wide Seat Square

NOTE:
1. The square comes in a plastic case and wrapped in clear plastic with oil on it for protection, it's very easy to wipe off with a towel before use.
2. We recommend storing it back in it's case after use it, so that makes sure it will always remain THE standard of square for you.
Precision: DIN 875 1,designed for precision layout, machine set-up and laboratory use
Squares are true right angles both inside and outside
These squares are made of hardened, tempered and polished steel, beams and blades are ground and polished for parallelism; The blade is permanently fixed to the beam by means of tapered locking rivets which ensure complete rigidity
4 inch blade and 2.5 inch beam, length of blade is measured from corner edge of beam to end of blade
The small plastic case it comes with makes sure that it will always remain THE standard of square for you from now on