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The hook installation position is optional: the adjustment range is large, and the number of holes can be increased or reduced to achieve a wider range of adjustment.
| specification | Setting range | Inner-ear width |
| 32 | 10-32 | 10mm |
| 40 | 20-40 | 10mm |
| 45 | 25-45 | 10mm |
| 50 | 30-50 | 10mm |
| 55 | 35-55 | 10mm |
| 60 | 40-60 | 10mm |
| 65 | 45-65 | 10mm |
| 70 | 50-70 | 10mm |
| 75 | 55-75 | 10mm |
| 80 | 60-80 | 10mm |
| 85 | 65-85 | 10mm |
| 90 | 70-90 | 10mm |
| 95 | 75-95 | 10mm |
| 100 | 80-100 | 10mm |
| 105 | 85-105 | 10mm |
| 110 | 90-110 | 10mm |
| 120 | 100-120 | 10mm |
| 130 | 110-130 | 10mm |
Address: Room 1206,
Jinhe International Building,
No. 35 Shishan Road,
Huqiu District,
Suzhou, Jiangsu,
China
Tel: +8618706202541
Emails: rita@btektech.com
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