Features: brand new and high quality The instrument is portable, dexterous and convenient for field measurement and carrying. The SSY-1 handheld level is a simple measuring instrument that can roughly measure the height difference and inclination angle (or slope) between two places on the ground. Suitable for highway and terrain survey and section measurement. In the construction of small farmland water conservancy, it can be used for surveying, grass survey, terrace repairing, land leveling and small channel survey. When observing, the hand level is generally held in the hand. To improve accuracy in the future, it can be placed on a wooden frame with a moderate height (such as 51.18 x 59.1 inch / 1.3-1.5 meters) or tied on a wooden stick. Made of high quality metal, durable and long for time service. Specifications: Material: Metal Size: 13x5.6x2.9cm/ 5.1x2.2x1.1 in Diameter: 60mm Package Includes: 1x Leveling Instrument note: Please allow 1-3cm error due to manual measurement. pls 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.