Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 4 x 2.5 Inch

Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 4 x 2.5 Inch

• Precision: DIN 875 Grade 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 self 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