| ITEM | UNIT | STANDARD | TOL | |
| A | CURL OUT DIA | mm | 75.70 | ±0.15 |
| B | STEM HOLE | mm | 4.25 ~4.40 | |
| C | CENTER BOTH DEEP CENTER BOTH DEEP |
mm | 2.40 | ±0.10 |
| D | H.D | mm | 7.65~7.90 | |
| E | BOTH DIA | mm | 10.65 | ±0.06 |
| F | NOTCH WIDTH | mm | 10.30 | ±0.30 |
| H | TOTAL HEIGHT | mm | 10.50 | |
| I | CURLING HEIGHT | mm | 3.15 | ±0.25 |
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