OUTSIDE DIAMETER TAPE MEASURE - Pocket-sized, flexible, and retractable steel tape measure with both diameter (OD measurement) and standard integer measurements. MEASURE AROUND ANYTHING - Standard, consecutive inches on top-side to 1/16 inches; diameter measurements on underside to 1/100th inches. Perfect for measuring trees, branches, or pipe fitting. EASY READ TAPE MEASURE - Includes inches and metric measurements down to millimeters on both sides; High contrast, easy to read numbers. MAGNETIC, REFLECTIVE AND RETRACTABLE TAPE MEASURE Reflective, aluminum rotating wheel brake allows for high visibility and effortless retract control. Strong magnet on case for affixing to metal objects. MONEY BACK GUARANTEE - We are confident you will be satisfied with the quality of our products. If you are not, we accept returns within 30 days. To discuss any issue or request a refund, please just message us directly via the Amazon Messaging Service.