KND ORTHO CERAMIC SELF-LIGATING BRACKET FEATURE Description: Packing list:Total 1set 1set=20pcs brackets+1pcs tool Material:Polycristalline Available Size: MBT 022 Roth 022 Features: ●Middle Hook ●T-shaped spherical traction hook ●All ceramic material and fire-resistant Advantages: 1.T-shaped spherical traction hook, the rubber band is not easy to fall off. 2.Built-in Nickel-Titanium spring pin switch lock is easy. 3.Middle hook suitable for new and far correction. 4.The bracket body is round and smooth aviod damage to soft tissue. 5.Deepen mesh base design enhanced adhesion. 6.Fire-resisitant. 7.It #39;s not easy to break.