Oxford buccal tubes. Characteristics: Modern low-profile buccal tube system with a sleek Microtech powerbase. Specifications: - 1st Molar. - Single. - Bondable. - Non-convertible. - MBT. - Slot size: 022. Pack: - 10 x Pcs Mandibular lower left. - 10 x Pcs Mandibular lower right. - 10 x Pcs Maxillary upper left. - 10 x Pcs Maxillary upper left.