Draper-Expert-Universal-Bevel-Protractor-Set-Draper-Expert-52430-p-B-I-Expert-Quality-I-B-for-accurate-angle-measurement-of-machines-moulds-&-jigs-Can-also-be-used-for-assembling-&-machining-Fully-calibrated-to-360-176-with-magnifying-glass-Supplied-complete-with-300mm-plain-rule-&-acute-angle-attachment-Display-packed-in-hinged-plastic-case-p-Draper-Expert-52430-Universal-Bevel-Protractor-Set