ITEM NAME:200Pcs dental fiber post glass quartz teeth restorative 1.2 1.4 1.6 1.8mm pos-y Description: Feature: 1.Fiber posts cannot corrode. 2.Because the stiffness (Elastic Modulus) of fiber posts is like the tooth structure, they function with the tooth instead of against it,in helping to prevent fractures and other problems. 3.Convenient to use. 4.For dental use. 5.Material: fiber 6.Color: as shown in picture (random color) 7. Size: Straight 1.2mm 1.4mm 1.6mm 1.8mm (each size 25pcs) Screw Thread 1.2mm 1.4mm 1.6mm 1.8mm (each size 25pcs) Package Include: 200pcs Fiber Post.For dental use. Material: fiber. Color: as shown in picture (random color).