There is buccal tube welded on the buccal side of molar band, which is gone through by the orthodontic wire, plays a role of supporting wire or transfering strength to molar to control the movings.
Product parameter:
1. Size: 34# 34+# 35# 35+# -41# 41+# (International standard)
16# 17# -33# (National standard)
2. Material: Medial stainless steel
3. Package: 4 Pcs/Kit in OPP