Stabila 70-100 Single Plumb Level 100cm STB70100 Traditional spirit level with smooth sides and electrostatic powder coating. Light alloy rectangular box design. Ideal level for household, DIY and professional use.Accuracy: normal position 0.029° = 0.5 mm/m.2 vials - 1 plumb, 1 horizontal.Length: 1000mm (40 in) STB70100