Duplex-Sprockets with hardened teeth
Duplex Sprockets 06B-2 with hardened teeth
Duplex Sprockets 08B-2 with hardened teeth
Duplex Sprockets 10B-2 with hardened teeth
Duplex Sprockets 12B-2 with hardened teeth
Duplex Sprockets 16B-2 with hardened teeth
Duplex Sprockets 20B-2 with hardened teeth