Features: HEAVY DUTY FIBERGLASS DESIGN - Professional Grade, Sturdy and Reinforced Fiberglass. 100% WATERPROOF FOLDING LOCKING DESIGN - Lock into Multiple Angles, Simple and Easy! NUMEROUS USES - Perfect for Carpenters, Underwater Measuring, Laying Tile & Hardwood Floors, DIY Projects, and Much More! Double sided, convenient to read the measuring result. Can be fold into 10 lengths when not in use for compact portability. Specifications: Main material: plastic Color: black, white Total length: 1M, 2M(optional) Folded size: 1M: 130 * 25 * 13mm / 5.12 * 0.98 * 0.51in 2M: 230 * 30 * 13mm / 9.06 * 1.18 * 0.51in Item weight: 1M: 45.8g / 1.61ounces 2M: 95.3g / 3.35ounces Package List: 1 * Folding Ruler