【Accurate Measurement】 This suspended mining compass precisely measures magnetic azimuth, inclination, tilt, horizontal & vertical angles and mileage for mine tunnels and working faces. It provides reliable data 【Auto Leveling Suspension】Fitted with a universal gimbal bracket, this hanging compass auto‑balances when hung horizontally. Its silk‑screen dial has clear scales, supporting fast, error‑free on‑site readings in complex uneven underground mining environments 【Antimagnetic Stable Build】Featuring a rugged metal frame and three‑axis bracket, it stays balanced in all measuring directions. The antimagnetic gradiometer resists magnetic interference, shock, dust and moisture for steady long‑term underground performance 【Complete Tool Kit】Get everything you need for field measurement in one set! This kit includes a hanging mining compass, durable storage bag, precision slope gauge, fixing clips, reflective mirror, and full accessories like certificate and manual 【Wide Application】Ideal for mining engineers, geologists, surveyors and students, this multifunctional gradiometer satisfies industrial measurement and academic research needs in geological exploration and mining construction