Features: This tape measure has 4 types, 2 different length: 30/50M, 2 different materials: firber rubber tape & nylon-coated steel tape, selecting based on your needs. Fiber tape with double metric scale, steel tape has only one metric scale. 4 times speed to return the tape back when work is done, saving for time & energy. Waterproof tape, you can use water to wash it directly. ABS frame with comfortable rubber hand grip, anti-fall, anti-rust. This long tape measure is designed with a convenient hand crank that makes it easy to wind up when you are done measuring. Suitable for runway, construction site, engineer survey, etc. Specifications: Material: Fiber/Nylon+Steel Size: 30/50M(optional) Package Includes: 1x Tape Measure note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.