2" X 7/8" Spring works for the Main sheet blocks on the Laser®, Sunfish®, Otimist and many other small dinghy main sheet blocks. H071Regular price: $1.40Sale price: $1.23 Harken Spring Cup HSB2$1.15 WE SHIP WORLDWIDE! Due to the wide variety of the size and weight of our items we will charge the actual cost of shipping in a separate charge on all orders.You may email us for a shipping cost estimate. Send us email intensitysails(at sign)mac.com