Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 7.9 x 5 Inch

Machinist Square Precision Engineer Wide Seat Square 90 Right Angle Ground Hardened Steel Angle Ruler 7.9 x 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.
• 7.9 inch blade and 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.