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Medial joint contoured bottom, straight top, straight lateral joint, free motion, with ball bearing, joint centre 22 mm to the posterior

Color number 15. For size 50 mm lamination ring.

Color number 4. For size 50 mm lamination ring.

Color number 11. For size 50 mm lamination ring.

Black color. For size 45 mm lamination ring.

Black color. For size 50 mm lamination ring.