KINGSTON KITCHEN BATH Freestanding supply lines Installation Parts. Washer Washer Lock Nut & Washer & Coupling Nut Coupling Nut 4 Pcs PCs PCs PCs www laughingstock TOLL-FREE CUSTOMER SERVICE: 1-877-2-BRASS TECHNICAL SUPPORT E-mail: 12775 Reservoir Street, Chino, CA 91710 This item is designed to be installed in wood floors. If you have a concrete floor it may be necessary to build a platform to accommodate the inlet connections refer to image on right.