... Groz Shanghai Fengwei needle1, is the most professional manufacturer of triangular felting needles in China3, has longer life, high accuracy, least ... diameter in Millimeter is 1.2)Gauge Working Part, 40 (triangular blade height in Millimeter is 0.57)Nominal Length (in ... on 2nd edge, 2No. of barbs on 3rd edge, 2 triangular felting needles (Guaranteed 100%+High quality+Competitive price+fast shipping)