These basic little O rings are great for so many things. These are not welded, so if you need to open them, though, so can do so with a a pair of pliers (cover the pliers with masking tape to prevent scratching the finish). The opening is1/2" in diameter, overall measurement is 5/8" in diameter, the metal itself is 1.5 mm thick. Brass Finish.
On-Line Bulk Wholesale Ordering Coming Soon
Other Purchases May Be Made In Our Etsy Store
12 Piece Artisan Pack
36 Piece Artisan Pack
108 Piece Artisan Pack