Expansion scalare clavis
De hoc item
| Longitudo | 1/2-305 mm -435 mm latae 42mm altae 39mm . |
| 3/8-210 mm -310 mm latis 33mm altis, 32mm | |
| 1/4-165 mm -225 mm latis 28mm altis 24mm | |
| Net pondus | 1/2-923.6g, 3/8-487.4g, 1/4-24.6g |
| Torque | 1/2-512Nm, 3/8-202Nm, 1/4-62Nm |
| Numerus dentium | 45T/72T (libitum) |
| Superficies | clara argentum |
| materia calces | 42Cr-Mo |
| Materia virga | 40CR |
| Materia tractamus | PP TPR |






















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