Info:Martin 100B42 Type B Single Strand Stock Bore Welded Roller Chain Sprocket, 1.25 to 3.313 in Dia Bore, 17.43 in OD, #100 Chain, 42 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100B48 Type B Single Strand Stock Bore Welded Roller Chain Sprocket, 1-1/2 to 4 in Dia Bore, 19.821 in OD, #100 Chain, 48 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100BS10 1 1/4 Bored-to-Size Type BS Single Pitch Roller Chain Sprocket With Keyway, 1-1/4 in Dia Bore, 4.597 in OD, #100 Chain, 10 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100BS10 1 3/16 Type B Bored-to-Size Single Strand Solid Roller Chain Sprocket, 1-3/16 in Dia Bore, 4.597 in OD, #100 Chain, 10 Teeth, 1-1/4 in Pitch, Steel
Info:Martin 100BS10 1 7/16 Type B Bored-to-Size Single Strand Solid Roller Chain Sprocket, 1-7/16 in Dia Bore, 4.597 in OD, #100 Chain, 10 Teeth, 1-1/4 in Pitch, Steel