Upholstery buttons
| Type | Technical specifications | Photo |
| KNO 24 | Buttons backs |  |
| KNB 24 | Shells |  |
| KNO 28 | Buttons backs |  |
| KNB 28 | Shells |  |
| KNO 32 | Buttons backs |  |
| KNB 32 | Shells |  |
| KNO 36 | Buttons backs |  |
| KNB 36 | Shells |  |
| KNO 44 | Buttons backs |  |
| KNB 44 | Shells |  |
| NKN 1/0 | Buttons backs 24” L 17 |
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| NKN 2/0 | Buttons backs 28” L 18 |
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