Brewer Machine and Gear D40B19U Sprocket New Old Stock. Idler Roller Chain Sprocket - Steel Material, 40-2 Chain, 0.5000 in Pitch, 1.0000 in Bore, 19 Teeth comes as pictured the sprocket has some rust that might clean up its been on a shelf for decades and is new unused see the pictures check my other items and feedback.
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