Luff groove slide - Stainless steel fitting slides in aluminum spars with a 5/8" or 3/4" groove (1/2" O.D. slide). Fits wooden boom with space between tangs approximately 3/4" to 1". Tangs are 3/4" x 6". Has a captive pin for for the sail tack and an eye for the downhaul. (12 oz.)
Click here for details on installing a gooseneck on a wood boom.
Gooseneck - Luff Groove Slide
$32.00