For boats 9' to 30' with Bruce anchor sizes 2.2 lbs to 16.5 lbs
Holes are 3/8" in diameter with a 3 hole pattern
The first set of holes is 1/2" from the edge of the anchor roller to the center of the hole. They are 3/4" apart center to center of holes. The last hole is 4" center to center of holes.Overall Length: 15.25"
Outside channel Width: 2.75"
Inside channel Width: 1.75"