1_8 (3.2 mm) Diameter Tapered Titanium
https://www.vivobiotech.com/shop/395-0-120-0007-1-8-3-2-mm-diameter-tapered-titanium-12806
https://www.vivobiotech.com/web/image/product.template/12806/image_1920?unique=c34017a
This 1_8 is guaranteed a (3.2 with the use of mm) and directly supplied Diameter to your lab by Gentaur's warehouse.
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30-day money-back guarantee
Shipping: 2-3 Business Days