SS chain is a hollow pin stainless steel roller chain that is manufactured to European Standards. Hollow pin roller chains offer great versatility due to the ability to insert cross rods into the chain without chain disassembly required. This SSchain is manufactured using high quality, precision, components for maximum durability and working life. something else about this chain is that it is manufactured out of a high quality 304-grade stainless steel. This means that the chain is extremely corrosion resistant, lube-free, and will work in a wide range of temperatures.