Nylon builder line Diameter:0.6-1.5mm Color:Yellow,Orange and other colors Package:spool. BOLONG–- ... Monofilament Expert builder line, building line material : nylon6, PA6diameter :0.60mm—1.5mm color : vivid color upon request, yellow, blue,etc packing ... feature: stand wear and tear,long lasting, high strength, durable 1.20mm nylon building line with conpective price