Knitted Mesh Chains Flat Knitted Mesh #462-F 3.0mm (3.9 Gr./Ft.) #465-F 6.0mm (9.8 Gr./Ft.) Round Knitted Mesh #462-R 2.5mm (3.9 Gr./Ft.) #465-R 3.5mm (9.4 Gr./Ft.) Round Woven Mesh #462-S.2 2.6mm (4.1 Gr./Ft.) #465-S.2 4.0mm (7.5 Gr./Ft.)