... supply a variety of filament of single coil,coiled coil,triple coil,and non-standard filaments. Specifications:1) Single-coil: 36V-250V, 1,000-5 ... ,000 hours2) Double-coil: 110V-250V, 1,000-5, ... and ISO90014) ISO14001 certificationGuaranteed accuracy:1) Total length: ±0.8mm2) Coil length: ±0.5mm3) Leg length: ±0.3mm4) Piece weight: ...