Made of hardened spring steel, 35 x 1.5 mm, zinc coated.
Accuracy: +/- 0.0285° = 0.5 mm/m. Dimensions: 500 x 250 mm, 600 x 280 mm, 700 x 300 mm, 800 x 320 mm, 900 x 340 mm, 1000 x 360 mm.

Illustrative order: Carpenter’s square, zinc coated, length 600 mm: KTC600