Our TierraCast jumprings are high quality plated brass.
Med Oval- 4x6mm 20g. – Inner Dimensions (ID) are .105 x.166 – 100pcs. per bag
5mm Round- 16g. – ID = .195 – 50pcs. per bag
4mm Round- 20g. – ID = .149 – 100pcs. per bag
8mm Round- 18g. – ID = .305 – 25pcs. per bag
We have proudly carried TierraCast for over 25 years! TierraCast products are made in USA with strict compliance of product regulations and a commitment to superior quality in manufacturing, materials and design.