2RB93100 – 1” / 15/16”
2RB8187 – 7/8” / 13/16”
2RB6875 – 3/4” / 11/16”
2RB5662 – 5/8” / 9/16”
2RB5056 – 9/16” / 1/2”
2RB4350 – 1/2” / 7/16”
2RB3743 – 7/16” / 3/8”

All sizes are in inches (imperial).

Please check the photos carefully for condition. There are age related marks as these are quite old! However they have been freshly polished :)

Happy to answer any questions.