For Bruce anchors sizes 22 lbs to 60 lbs

Holes are 3/8" in diameter with a 5 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 2" apart center to center of holes. The next set of holes is roughly 3.6" center to center of holes. The last hole is 7" center to center of holes.

Overall Length: 23"

Outside channel Width: 4.75"

Inside channel Width: 3.5"