Rectangular profile made of corrosion-resistant light metal alloy. Powder coating in yellow. Unbreakable bubbles made of block acrylic glass, firmly cast into the spirit level body. Measuring accuracy in normal position: 0.029° = 0.5 mm/m. 1 horizontal bubble, 1 vertical bubble, 1 coated measuring surface. Series 70 - spirit level 100cm, yellow, aluminum rectangular profile,
