20" Curb Chain Chain Comparison 20" Curb Chain Sterling Silver Chain €65.00 Quantity: at €65.00 each 0 in your basket View Basket Checkout Sterling Silver heavy weight curb chain. 20" long. This is a very thick and heavy chain which gents would love. This is the 4th chain on the 2nd photo, approx 3.3mm wide. It also comes in a 22" length.