The Stanley pack of 10, 100 cm classical box level is made up of plastic material, and it is easier to read. The block magnified central vial, large and tubular, provides accuracy in measurement and taking readings. The 100 cm classical box level is more durable in case of shocks. This classical box level has soft end caps that make the box level safe from shocks. The product can be cleaned easily, making it suitable to be used on construction sites. Product Attributes: Model number - STHT 43105-812. Accuracy - ±0.5 mm/s Colour- Yellow Product Dimensions- 99.5x 5x 2.5 cm Weight- 2.5 kg. Size of product- 1000 mm /39- inch.