Become a more efficient bricklayer by saving time and earning more money by having the ability to use your bricklaying trowel as a measurement device. A worlds first concept and implementation. Permanently engraved trowel with the most common sizes used by bricklayers no more stopping to check small sizes with a rusty tape Crompton trowel enables you to : Check brick gauge 75mm UK, 67mm USA/ CANADA & 86mm AUSTRALIA Check to see if your string line is sagging Set out and keep checking cavities 50mm - 100mm - 125mm Set a tingle brick Check for a split brick or block size Raising the string line to gauge size on a profile Build a corner without a tape measure Gives you more incentive to keep your towel clean :) All saving you time which is money in a site enviroment.