【High Accuracy】- 2 scales of metric and imperial(1/2-inch by 12FT/3.6M) are perfect for accurate measurement.Diameter measurement range is 117cm/46 inch,suitable for measuring the diameter of most things 【Outside Diameter Tape Measure 】- Pocket-sized, flexible, and retractable steel tape measure with both diameter (OD measurement) and standard integer measurements. 【Portable Design】- The tape measure can be easily carried on waist or in your pocket with the sturdy belt clip; Strong comfortable wrist strap can wear around your wrist to avoid dropping it. 【Make Measuring Easy】- Standard, consecutive inches on top-side to 1/32 inches; diameter measurements on underside to 1/100th inches. Perfect for measuring trees, branches, or pipe fitting. 【Easy to Read】- Thanks to the Bold & Large Numbers and Hard-Wearing quality, it makes the ruler have better reading performance and longer life.