My Kingston Brass spout shank isn’t long enough to fit through my granite countertop. Do you have an extension kit?

Yes, Kingston Brass has extension kits for both of KB’s spout shank sizes.

1-1/4" length extension: Water Filtration Faucet

For 1-1/4” shanks, the model number is KSEXTNUT716. https://www.kingstonbrass.com/product/kingston-brass-ksextnut716/

1-3/8" length extension: Single Mount Faucet

For 1-3/8” shanks, the model number is KSEXTNUT38. https://www.kingstonbrass.com/product/kingston-brass-ksextnut38/

2" length extension: Regular Faucet

For 1/2” shanks, the model number is KSEXTNUT. https://www.kingstonbrass.com/product/kingston-brass-ksextnut/

2" length extension: Roman

For any 3/4” shank, the model number is KSEXTNUT34. https://www.kingstonbrass.com/product/kingston-brass-ksextnut34/