BlackStar H50BS15 30MM K2S - 50 Pitch Finished Bore Sprocket - 15 Tooth AT5US What is the Megadyne 12/3VX315

What is the Megadyne 12/3VX315 used for

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BlackStar H50BS15 30MM K2S - 50 Pitch Finished Bore Sprocket - 15 Tooth AT5US What is the Megadyne 12/3VX315The BlackStar H50BS15 30MM K2S is a 50 pitch Finished Bore roller chain sprocket with 15 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 30MM" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H50BS15 30MM K2S Chain Pitch 50 Number of Teeth 15 Bore