Sterling Silver. You are ordering a single bracelet, either hatchet or tulip style rowing blades, hatchets are squarish and tulips are the classic symmetrical rounded shape. Blades alone are 10mm (1/3 inch) long plus all the rings and bracelet is 7.25-7.5 inches long.  Clasp is a lobster.  Longer bracelets are available. 

Call or email for custom options 703-548-5509 [email protected].