CURT electrical products are designed to deliver unsurpassed levels of performance, reliability and durability. The use of surface mount technology (SMT) components is just one of the steps CURT has taken to achieve this. SMT components are the most up-to-date parts available for circuit designs. SMT components offer lower resistance, reduced heat generation and longer life cycles. Adapters are available in 4-way round to 4-way flat, 4-way flat to 6-way round, 4-way flat to 7-way round, 6-way round to 4-way flat, 7-way round or RV to 4 or 6-way. Check each part number for specifics. One year limited warranty on all CURT wiring and electrical.