This draper beginners engineering kit contains everything you need to start out as an engineer the draper range is suitable for trades and the enthusiast manufactured with quality in mind and comes with our guarantee 1 x draper 34196 150mm spring dividers fine ground with adjustment by knurled wheel 1 x draper 34065 150mm engineers precision square manufactured to bs 939 workshop grade b for squareness tolerance only solid steel stocks with hardened tempered and finely polished blades