... .ANSI sprocket type B 2.Available in any size and grade 3.OEM welcomed 4.Application:transmission part and machinery 1 ... , sandblasting Model Type A & Type B, Single, Double, Triple - 35B10-80,40B9-90,50B9-90,60B9-90,80B9-90,100B9-90 ... ,120B9-80,140B10-60,160B10-60;06B10-125,08B9-125,10B9-125 ... ,28B9-76,32B9-76 PackingPlastic bag+plywood case/Pallet sprocket chain