... Logos can be Customized according to your RequirementWe have below O ring kits:5A (30 sizes, total 382 pcs, AS568 ... standard)5B (30 sizes, total 382 pcs, JIS B 2401 standard)5C (30 sizes, total 386 pcs, JIS ... B 2401 standard)8B (32 sizes, total 407 pcs, ... AS568 standard)8C (32 sizes, total 419 pcs, JIS B 240 standard) 102 pcs (16 sizes, total 102 pcs, ...