JN04 series aluminum ruler 1. Graduation: metric or inch 2. Specification: 300-2000x0.5mm 3. Finish dealing: polish JN04 Aluminum ruler:Material: aluminiumFinish dealing: polish/ stain chrome.just as customer requestSpecifications: 6"/8"/12"/24"/40"/60".....Packing: pvc/piecs, box, carton.Moreover, the length, width, thickness can be adjusted according to customer's requirement.We also can make ...