Pages\n\n--About Us\n\n--New In Stock\n\n--View Feedback\n\nVisit Store\nAbout Us\nFeedback\nContact\nAdd To Favourites\nView Basket\n\n \n\n12\"" 300mm Aluminium Tri Scale Ruler Engineers Architects Technical Drawing Rule\n\n--\n\n--\n\n--\n\n--\n\n--\n\n--Check Out Our Feedback\n\nAluminium construction\nScale includes: 1:20, 1:25, 1:50: 1:75, 1:100 and 1:125\nIdeal for engineers, technical drawing and architects\nApprox size 12\"" (300mm)\n\nQuick dispatch\nTrusted Seller\n\nGet in touch!\n\nAdd To Favourite Sellers\n\nOrders Before 12PM\n\nDispatched Same Day\n\nDedicated Support\n\nFriendly & Helpful Team\n\nExcellent Feedback\n\nYour satisfaction is our aim\n\nAll Prices Include VAT\n\nStart Shopping Today!\n\nTools & DIY\nShop Now\n\nOffice, Educational Stationery\nShop Now\n\nToys & Games\nShop Now\n\nArt, Craft & Leisure\nShop Now\n\nGift & Seasonal\nShop Now\n\nParty Boxes\nShop Now\n\nAbout Us \n\nBased in United Kingdom, kmonlinelimited has been an n