| Type | Dimension(Inch) | |||
| RD | W | B | W1 | |
| RF12 | 0.750 | 0.500 | 0.2500 | 0.5625 |
| RF14 | 0.875 | 0.500 | 0.2500 | 0.5625 |
| RF16 | 1.000 | 0.625 | 0.3125 | 0.6875 |
| RF18 | 1.125 | 0.625 | 0.3125 | 0.6875 |
| RF20 | 1.250 | 0.750 | 0.3750 | 0.8125 |
| RF22 | 1.375 | 0.750 | 0.3750 | 0.8125 |
| RF24 | 1.500 | 0.875 | 0.4375 | 0.9375 |
| RF26 | 1.625 | 0.875 | 0.4375 | 0.9375 |
| RF28 | 1.750 | 1.000 | 0.5000 | 1.0625 |
| RF30 | 1.875 | 1.000 | 0.5000 | 1.0625 |
| RF32 | 2.000 | 1.250 | 0.6250 | 1.3125 |
| RF36 | 2.250 | 1.250 | 0.6250 | 1.3125 |
| RF40 | 2.500 | 1.500 | 0.7500 | 1.5625 |
| RF44 | 2.750 | 1.500 | 0.7500 | 1.5625 |
| RF48 | 3.000 | 1.750 | 1.0000 | 1.8125 |
| RF52 | 3.250 | 1.750 | 1.0000 | 1.8125 |
| RF56 | 3.500 | 2.000 | 1.1250 | 2.0625 |
| RF64 | 4.000 | 2.250 | 1.2500 | 2.3125 |
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