The Stanley Classic Box Levels have a strong construction to withstand demands of the worksite. 

• Their soft end caps add durability and resistance to shock. The levels have a block magnified central vial to make reading easier.
• Included with a large tubular side vial for vertical measurements.
• Accuracy: ± 0.5mm/m
• Construction: Box Smooth
• Available sizes: 60cm(24in), 100cm(39in), 120cm(48in), 150cm(60in), 180cm(72in)