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 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