Stanley Series I-Beam Basic Level 30 cm: classic spirit level made from aluminum profile for leveling and plumb marking, featuring 2 vials with a diameter of 12 mm: one vertical and one horizontal. The top window allows for easy viewing, and the vial can be easily read from above. The integrated vials are housed in robust, large plastic caps to ensure excellent protection and measurement accuracy. Smooth edges on both sides enable the use of the product as a marking ruler. The level allows for precise leveling with an accuracy of 2.0 mm/m at all working edges. The additional protective surface is powder-coated in yellow. It features a hanging hole for easy storage. Technical parameters of the Stanley level: Length of the level: 30 cm, Number of vials: 2, Accuracy of level measurement: 0.2 mm / 1 m.