Features: brand new and high quality Designed for carpentry, plumbing, electrical, or HVAC work requiring accurate pitch or slope identification. Made of new special acrylic materials and new ABS material makes it seismic, resists ultraviolet rays, prevents leakage. The bottom strong magnet can be fixed on the metal for easy measurement and recording. Easy to use. Just put it on any sloping surface and the sphere will point to the angle degree from 180 degree. for Ideal for identifying roof pitch, stair slope, or drainage angles. Specifications: Material:PVC Color:Black/Silver/Silver Buckle Size: 9.3x8.5x1.4cm/3.66x3.35x0.55inches Package Includes: 1 x Slope Level Meter note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. The product includes screws, but does not include other products shown in the figure.