This strap eye is 1/2" X 7/16" and fits at the mainsheet block and the aft end of the cockpit of the Laser & Sunfish. There are 2 for the hiking strap in the laser to attach to and one at the aft end of the daggerboard trunk for the mainsheet block. Holes are 30mm on center ISCA CLASS LEGAL 91021Price: $4.99Sale price: $2.49 WE SHIP WORLDWIDE! We charge the actual cost of shipping. You may email us for a shipping cost estimate. Send us email intensitysails(at sign)gmail.com US$10 MINIMUM ORDER