Select options 4″ x 18 oz Smooth Round Copper Custom Offsets, 37″-56″ Offset $345.00 – $375.00 Our Custom Offset is a beautiful, yet functional addition to your downspout system. Custom made to your offset dimensions, this elbow offers a unique element to your overall design. The offset is the measurement from the back of the outlet to the wall. Lead time is 2-3 weeks. These large offsets require a $100.00 crating charge and will be shipped via truck. Note: The photo represents a temporary studio installation.