Features: Shock does not leak, high precision, accurate horizontal & vertical measure. 4 sizes for your option: 300mm/400mm/500mm/600mm. Solid aluminum cast level with high hardness, durable- & sturdy-. Easy to carry,small size,Features hole for easy hanging- and free carry. Designed for decorations,home furnishings and related work for leveling,such as measuring locations on a wall, space between hangers. Specifications: Material: aluminum alloy Length: approx 300mm/400mm/500mm/600mm(optional) Width: approx 47mm/2-inch Thickness: approx 22mm/0.9-inch Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Aluminum Level