720S F226 Attachment This F226 attachment is manufactured for 720S chain, Ultimate Suppliers offers 720S chain with F226 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. Dimensions: