This is good $hit
Tacktick Micro Compass part number T060
http://www.tacktick.com
Spinnaker boats without self tacking jibs use the spin pole bracket. part number T008
For all others use the deck braket. Just drill some holes in the corners of the bracket and cable tie it through the tramp just on the port side of the mast base and just behind the front beam. part number T004