730 F2 Attachment This F2 attachment is manufactured for 730 chain, Ultimate Suppliers offers 730 chain with F2 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: