Level gauge: versatile for household and industrial measurements; practical tool that also serves as a frame hanger ruler. Bubble level: crafted workmanship with practical functions and a durable texture; a reliable choice as a picture hanging tool. Frame hanger level: compact and portable; easy to carry and simple to use; convenient for operation anytime; functions as a level ruler for photo frames. Portable balance ruler: precision, accurate and practical; easy to measure and use; designed to meet a range of measuring needs. Use scenarios Hanging pictures or artwork: use the bubble level to ensure horizontal alignment and the frame hanger level to position frames precisely. Installing shelves or cabinetry: rely on the level gauge to verify level across surfaces and use the compact design for easy handling in tight spaces. DIY framing or mounting projects: the portable balance ruler provides quick, accurate measurements when working on photo frames or small displays.