Sink Undermounters Easily undermount almost any sink 25", 36" and 50” lengths easily trim to fit anycabinet size Eliminates the need for wood support Includes 2 rails, 4 mounting clips, 8 adjusting bolts/nuts, 2 joiner clips New Sink Overflow Clips accessory allows support for bowls with overflows with 2 sets of sink undermounters (includes 2 sliding clips, 2 adjusting bolts/nuts)