1 P160 conveyor chain inner link 2 A3 - one side bend 3 Alloy steel 4 Large P type ... , Flanged roller F type, etc.3. Atchments include A1, A2, A3, K1, K2, K3, LA,etc.( A-one side,K-both ... processing capacity of parts to ensure delivery and lower prices. A3/K3 roller link of conveyor chain