SLB Roth/MBT Brackets 0.022/0.018 Easy wire changes, low friction & force, and ... completely fills the slot. With truly brackets, there is a lack of control of torque, tip, and rotation ... will find a new self-ligation bracket, all problem is solved.1. An elegantly simple locking mechanism, open ... only one step, cut down the wire, it is a normally bracket your used4. Permit attachment usedWhen you ...