1-1/4" I.D. Flush Mount for Rod Holder by Tempress®. Fish-On!® Flush Mount allows you to add extra mounting locations anywhere you want. The Flush Mount mounts to any flat horizontal surface, requires a 1 1/4" hole and 4 #10 self tapping screws. Use with the NEW Fish-On!® Rod Holder Extension to provide increased range of adjustability for your rods. Works with all Fish-On!® Products.