Grade 1000, Hardness58, 62, 25KG/CTN, Weaving bag, high carbon chromium For Bicycle Spoke14Guage W:1.95mm L: 306mm N: 11.8mm 115g 13Guage W: 2.22mm L:306mm N:12mm 136g 12Guage W: 2.55mm L: 306mm N: 12.5mm 170g 10Guage W: 3.05mm L: 306mm N:16mm 330g Spoke UCP and Nipple CP finish. B: Steel Ball Packing Bicycle Steel Ball and Spoke