Solve your putting woes! "I can't tell which way the green slopes!" "My putts are going off-line!" This product visualizes slopes with a built-in level, supporting accurate line reading. 【When to Use It】 ・Checking slopes during putting practice ・Checking green slopes on the course ・As an aid for indoor putting practice mats 【Who Is It For?】 ・Golfers who want to improve their line-reading accuracy ・Those who want to conquer greens scientifically ・Those looking for practical gifts or prizes 【Product Specifications】 ・Product Name: Golf Level Marker ・Color: Fluorescent Yellow ・Size: Approximately 39mm diameter x 5mm height (±0.2mm) ・Weight: Approximately 5.8g ・Material: ABS resin / solvent oil ・Structure: Internal bubble level + magnet plate 【Functional Value】 High-precision design allows you to read slopes from any 360° angle. You can instantly check if the surface is level, making it useful for both practice and actual play. Lightweight and compact for easy portability. ☆Compete with "visible accuracy" instead of relying on intuition. Scientifically analyze the causes of missed putts, and double the fun of reading lines! (^^)