RT-375-3/32-X-SP (500FT) RT-375-3/32-X-SP-SM RT-375-3/32-X-STK RT-375-3/4-X RT-375-3/4-X-RS-288-5241 RT-375-3/4-X-SP RT-375-3/4-X-SP (250) RT-375-3/4-X-STK RT-375-3/64-X-RS-288-5156 RT-375-3/64-X-SP