Bell Marine Viper Pro Series Height Adjustable Marlin Board Mount Berley BucketThe marlin board mount berley bucket is fully height adjustable. The collar which surrounds the berley bucket has no pre drilled holes, so use it as a template for your cut out, then place your bucket through the cut out, make sure your berley bucket reaches your water level, drill 3 fixing holes and bolt it up with the supplied stainless steel bolts, washer and nylocks, simple as 1,2,3! Includes VIPER 5 YEAR WARRANTY Dimensions: H 40CM X D 15CM