Click image to Enlarge1.9mm Round Rolo Cable Chain Necklace Extender Real Solid 10K Yellow Gold Metal ConditionFinishAvg. Weight WidthLength ClaspRetail Price Real Genuine 10K Yellow Gold (Stamped 10K or 417) Brand New Polished 0.10grams for an inch, depending on the size you select 1.9mm Selectable from the drop-down menu above, from 1" to 10" Spring Ring Clasp $69 to $139 We have variety of different extenders including rolo, cable, rope, wheat, byzantine, etc. links! You can check our store for more extender listings! The picture shows a 2" extender, the number of links will be changing depending on the length chosen.