| Efni | Skrúfa með skiptihandfangi |
| Sölupunktar | |
| Eiginleikar | einföld hönnun, mismunandi lengd og tvö horn til að velja |
| Notkun | Teiknaðu beina línu og mældu lengdina |
| Færibreytur | 7cm-0-7cm, 11cm-0-11cm |
| Vottun |
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