The R.S.T. SitePro Fibreglass Tape features both metric and imperial or metric only measurements on a white blade. The blade is manufactured from 42 strand fibreglass which withstands high tensile stretching.It has 3x geared high speed winding mechanism all encased within an ergonomic case. It features a folding rewind crank which sits in the middle of the tape when not being used to avoid being damaged. A metal claw at the end of the tape allows you to grip into the ground or material for easy and accurate measuring.This R.S.T. SitePro Fibreglass Tape has the following specification:Blade Length: 10m/33ftBlade Width: 13mmAccuracy: EC Class.