Dental Fiber Post Quartz Glass Screw Thread Straight 1.0mm-1.8mm 65% Fiber Oral
B: Quartz, Clear Transparent Color. Screw Thread: 1.2mm-Yellow Ring. Material: Quartz,65% Fiber. a: Glass material, White Color, Opaque. 1.4mm-Red Ring. 1.2mm-Yellow Ring. 1.0mm-Black Ring.