72" (1829mm). Reinforced, ribbed, non-slip box section frame. Powder-coated frame with milled measuring surface and 3 securely bonded vials. Specifications: Accurate to 0.5mm/m. Overhead accuracy 0.75mm/m.

24" (610mm). Reinforced, ribbed, non-slip box section frame. Powder-coated frame with milled measuring surface and 3 securely bonded vials. Specifications: Accurate to 0.5mm/m. Overhead accuracy 0.75mm/m.

36" (915mm). Reinforced, ribbed, non-slip box section frame. Powder-coated frame with milled measuring surface and 3 securely bonded vials. Specifications: Accurate to 0.5mm/m. Overhead accuracy 0.75mm/m.

Rectangular profile with 2 milled measuring surfaces, gripping ridges and removable end caps with patented anti-slip stops. Specifications: Accurate to 0.029° = 0.5mm/m. Overhead measurement 0.043° = 0.75mm/m.

Rectangular profile with 2 milled measuring surfaces, gripping ridges and removable end caps with patented anti-slip stops. Specifications: Accurate to 0.029° = 0.5mm/m. Overhead measurement 0.043° = 0.75mm/m.

Rectangular profile with 2 milled measuring surfaces, gripping ridges and removable end caps with patented anti-slip stops. Specifications: Measurement accuracy: in normal position 0.029° = 0.5mm/m, Overhead measurement 0.043° = 0.75mm/m.

Rectangular profile with 2 milled measuring surfaces, gripping ridges and removable end caps with patented anti-slip stops. Specifications: Accurate to 0.029° = 0.5mm/m. Overhead measurement 0.043° = 0.75mm/m.

Rectangular profile with 2 milled measuring surfaces, gripping ridges and removable end caps with patented anti-slip stops. Specifications: Accurate to 0.029° = 0.5mm/m. Overhead measurement 0.043° = 0.75mm/m.