... sample or drawingMain products as the following1)roller chains: A series(12.7-63.5mm pitches),B series (9.525-50.8mm pitches)2)motorcycle ... chains :415,415H,420,420H,428,428H,520,520H,6303)short pitch conveyor roller chain attachments:A-1,A ... -2.K-1,K-2,K-3,SA-1,SA-2,SK-A,SK-24 ...