| Length butt to eye | 520 mm |
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| Shank diameter | 2.0 mm |
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| Customary needle designations | 328, 428, DDX1, 214X1, SY 4950 |
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| Canu designation | 50:10 |
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| Further point designations | SET, RD |
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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 | Technical textiles, Medium to thick leather, Medium-weight to heavy woven fabrics |
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| Examples of use | Belts, Jeans >14 oz, Cushions, Awnings |
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| Coating | Chromium |
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| Needle size | 1.3 Nm |
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| Point style | R - Cloth point |
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| Needle system | 328 |
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