尺寸规格
| 尺寸 |
C | K |
| 1 x 3/4 | 2 3/16 | 35/64 |
| 1 x 1 | 2 1/4 | 11/16 |
| 1 x 1 1/2 | 2 7/16 | 23/32 |
| 1 x 2 | 2 5/8 | 3/4 |
| 1 1/2 x 3/4 | 2 3/16 | 35/64 |
| 1 1/2 x 1 | 2 5/16 | 11/16 |
| 1 1/2 x 1 1/4 | 2 7/16 | 45/64 |
| 1 1/2 x 1 1/2 | 2 5/8 | 23/64 |
| 1 1/2 x 2 | 2 15/32 | 23/32 |
| 2 x 1 1/4 | 2 15/32 | 3/4 |
| 2 x 1 1/2 | 2 21/32 | 45/64 |
| 2 x 2 | 2 21/32 | 23/32 |
| 2 x 2 1/2 | 3 1/8 | 3/4 |
| 2 1/2 x 1 1/2 | 2 25/32 | 1 9/64 |
| 2 1/2 x 2 | 2 25/32 | 3/4 |
| 2 1/2 x 2 1/2 | 3 9/32 | 1 9/64 |
| 3 x 3 | 3 1/2 | 1 13/64 |
| 4 x 4 | 3 13/16 | 1 19/64 |
