Features 1、Small appearance, practical and the ruler can provide accurate measurement 2、With hanging hole, can be equipped with buckle for easy storage and carrying 3、The bottom is magnetic, it will not be moved easily during measurement, and it is easy to use 4、With high-accuracy 90-degree bubble, 45-degree bubble and 180-degree bubble, provide measurement in various directions, more accurate 5、High-accuracy scale, generally suitable for horizontal measurement Specification Item Type: Magnetic Level Ruler Material: Plastic, aluminum reference surface with scale Measuring Range: 230mm Specifications: High accuracy 90 degree bubble, 45 degree bubble, 180 degree bubble Magnetic: Magnetic at the bottom Size: Approx. 230 x 47 x 24mm / 9.1 x 1.9 x 0.9in Function: Level measurement Package List 1 x Magnetic Level Ruler