This 67H steel detachable chain is manufactured from a special hot-rolled strip steel that is heat-treated for increased strength and a longer wear life. The steel detachable chains that we supply are typically supplied as 10ft coils and can come as a painted or non-painted configuration. Size 67H steel detachable chain is manufactured for moderate loads and speeds, it is also extremely easy to replace and repair. When installing and using detachable chain it is important that the closed end of the tab should always be towards the sprocket.