Photo 1 of uxcell #40 Chain Roller Sprocket B Type, 7/8" Bore 12 Tooth Single Strand Chain Sprocket, Carbon Steel, Keyway with Set Screws

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Photo 1 of uxcell #40 Chain Roller Sprocket B Type, 7/8" Bore 12 Tooth Single Strand Chain Sprocket, Carbon Steel, Keyway with Set Screws