A series short pitch industrial roller chains 1.Material:40Mn 2.Weight per meter:1.50KG/m 3.Inner plates depth:18mm A series short pitch industrial roller chains1,model:08A,10A,12A,16A,20A,24A,28A,32A,36A,40A,48A2,material: 40Mn3,best quality and competitive price 4,certificate :ISO9001:2000 here i write the Chain here for your reference:Simplex roller chains & bushing chains ISO/DIN/ZL chain ...