| Contido | Regras planas de aceiro |
| Puntos de venda | |
| características | deseño sinxelo, lonxitude diferente para escoller |
| Uso | Debuxa a recta e mide a lonxitude |
| Parámetros | 15 cm, 20 cm, 30 cm, 45 cm, 50 cm |
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