This D22 attachment is manufactured for SS700 Stainless Steel chain, Ultimate Suppliers offers for SS700 Stainless Steel chain with D22 attachments in any configuration needed. We offer some of the best pricing in the industry and have teamed up with some of the industries most experienced personal to supply you with exactly what you need, when you need it, at very competitive prices. Call us or email us for inquires and experience a refreshing difference in service.