Product Details: 

Metal: Real 10K Yellow Gold 

Dimensions: 

Length: 16 inches / Weight: 11.9 grams 
Length: 18 inches / Weight: 13.2 grams 
Length: 20 inches / Weight: 14.4grams 
Length: 24 inches / Weight: 16.4 grams 
Length: 26 inches / Weight: 17.7 grams