Check the listing for details. Dental Orthodontic Torquing Torque Spring Rectangular wire Single Anterior Teeth. Condition: New. Listed at 5.27 USD. Description: Applicable to all kinds of Arch Wire Square Rectangular Application torque spring before the main arch wire with 0.46 mm x 0.64 mm stainless steel wire, the torque hole through the main arch wire fixed on both ends of the spring, strength of the single spring torque with crowns are angled lip not to exceed 90°, strength direction for the direction of the coil spring open. Torque according to need to move in the direction of the torque spring and lever on the gum or teeth braces or tooth crown, such as the need to move to the tongue palatal side root (positive torque) add in orthodontic bracket arm of gum, root need to move to the labial side (negative torque) arm placed in braces tooth or party. The routine was rediagnosed around 4 weeks. Model : 0.016*0.022,Small,10pcs/pack0.016*0.022,middle,10pcs/pack0.016*0.022,big,10pcs/pack0.017*0.025,small,10pcs/pack0.017*0.025,middle,10pcs/pack0.017*0.025,big,10pcs/pack0.018*0.022,small,10pcs/pack0.018*0.022,middle,10pcs/pack0.018*0.022,big,10pcs/pack0.019*0.025,small,10pcs/pack0.019*0.025,middle,10pcs/pack0.019*0.025,big,10pcs/pack Contact usWe will reply all message within 24 business hours and we are able to give you a quick response during the duty time.If we are off duty,please kindly be patient and give us a little more time,not just leave the neutral or negative feedback without communication.Every problem will be solved ASAP if you contact us!FDA StatementThe sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.