Stainless steel spring. Designed to assist the intrinsic muscle weakness, e.g. with ulnar nerve palsy. The spring can also be turned upside down to increase spring power. Torque force at full finger extension: ca. 1 000 g.cm.
- Gauge 1/24” (1 mm)
- Coil diameter : 5/12” (10 mm)
- 10 pieces
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