| Code | Size | 9Y | 9W | 9R | 14Y | 14W | 18Y | 18W | S/S | RG |
|---|---|---|---|---|---|---|---|---|---|---|
| BAY18 | 1.5 inside | • | • | • | ||||||
| BAY27 | 2.2 inside | • | • | • | • | • | ||||
| BAY35 | 3 inside | • | • | • | • | • | ||||
| BAY45 | 4 inside | • | • | • | • | • | ||||
| BAY55 | 5 inside | • | • | • | • | • | ||||
| BAY65 | 6 inside | • | • |
Bayonet Clasp
| Key: | 18Y | 18 Carat Yellow Gold | 10Y | 10 Carat Yellow Gold | 9R | 9 Carat Rose Gold | SP | Silver Plated | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 18W | 18 Carat White Gold | 10W | 10 Carat White Gold | S/S | Sterling Silver | YP | Yellow Plated | |||
| 14Y | 14 Carat Yellow Gold | 9Y | 9 Carat Yellow Gold | RG | Rolled Gold | RP | Rose Plated | |||
| 14W | 14 Carat White Gold | 9W | 9 Carat White Gold | SGP | Silver Gold Plated | |||||
