The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race. Sheave 16 mm/ 5/8" Maximum line 5 mm/7/32" Maximum working load 204 kg/450 lb. 406Regular price: $31.90Sale price: $28.07 We list our current available inventory in our shopping cart. 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