Rod Holder Bases for Sea Ark Boats ONLY! NOW IN POWDER-COATED COLORS. CHOOSE FROM BLACK, NEON GREEN, ROYAL BLUE, RED AND ORANGE BLACK ANODIZED BASE AVAILABLE IN RH OR LH THREADS (POWDER-COATED IN RIGHT HAND threads only) Fits Sea Ark Boats. HEAVY DUTY and 100% Made in the USA The unique back on these bases fit snugly into the track system on your boat and are "LOCKED DOWN" with the t-bolts that are included. Hardware INCLUDED. Fits 1/2" #13 thread Rod Holders. HEAVY DUTY SMACKDOWN APPROVED!