| Length butt to eye | 339 mm |
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| Shank diameter | 1.62 mm |
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| Customary needle designations | 71X1 SUK, 1738 SUK, 16X257 SUK, DBX1 B, DLX1 B, 16X231 SUK |
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| Canu designation | 14:25 |
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| Further point designations | SI, R SUK, U, LAC, BPM, R KB, M BALL, B BALL, SUK |
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| Needle form description | Straight needle with single groove and scarf |
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| Technical sewing application | Double lock stitch |
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| Stitch type class | 300 |
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| Recommended for | Elastic fabrics |
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| Examples of use | Underwear, Lace, Bandages |
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| Coating | DUR |
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| Needle size | 0.65 Nm |
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| Point style | FG - Cloth point |
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| Needle system | DBX1 |
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