This lightweight and transit compass was designed for the specific tasks required of geologists, surveyors, ng engineers, civil engineers, environmental engineers and foresters.The direct-read compass capsule of this transit features 1 degree resolution and 1/2 degree accuracy.And the dry compass capsule of this quick dampening needle features both a needle-lock to protect the compass assembly during transit and gear driven adjustable declination to allow for simple compensated bearings.The vertical angle clinometer scale featuring 1 degree increments has a range of 90 degrees or 100% grade scale with an accuracy of 1/2 degree. A percent grade scale features increments of 5%.Features include a compass level, clinometer level, sighting mirror with lubber line and sighting hole, induction dampened needle, and adjustable sighting points.Material: PlasticColor: Green (shown as the picture)Size: (shown as the picture) (L x W x H) 8.3*7*3.1cm / 3.27*2.76*1.22inchLightweight, compact small and easy to carry.Quantity:1 PCThis compass must be placed horizontally.