Dental Ball Retainer Clasps Orthodontic Tooth Hold Position Available sizes: Ball-shape size: Ø0.70mm Ø0.80mm Ø0.90mm/1.0mm Device Designed To Promote Hold A New Tooth Position Material: Hard Stainless Steel Purpose: Secure Teeth Positioning After Orthodontic Treatment. Orthodontic Dental Ball Retainer Clasps |