Niobium Seam Ring(0)No Reviews yet SKU: Nb-SMR Please log in to see price or purchase this item Quantity discounts available QuantityPrice Select options Back Log in to see price Gauge - 20g ~ .8mm 18g ~ 1mm 16g ~ 1.2mm 14g ~ 1.6mm 12g ~ 2mm 10g ~ 2.5mm Length/Diameter - 7/32" ~ 5.6mm 1/4" ~ 6.4mm 9/32" ~ 7.1mm 5/16" ~ 8.0mm 11/32" ~ 8.7mm 3/8" ~ 9.5mm 7/16" ~ 11.1mm 1/2" ~ 12.7mm 9/16" ~ 14.3mm 5/8" ~ 15.9mm 11/16" ~ 17.5mm 3/4" ~ 19.0mm 7/8" ~ 22.2mm 1" ~ 25.4mm Metal Color - Details Niobium Seam Rings each possess a superior hand polish. Details Back DetailsNiobium Seam Rings each possess a superior hand polish. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review