Product Description This is a A 1/4" - 20 Drill Tap to install any of our flat surface mount SRS(TM) rails. Use the rail as a template to drill and tap a threaded mounting hole all at once. Fish Fighter SRS Flat Surface Rail Mount Install Drill Tap at Fishermans Marine Browse all Fishermans Marine deals $23.99 In Stock at Fishermans Marine Price checked 6 days ago Buy Now at Fishermans Marine Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Fish Fighter Fishing Fish Fighter