These are the blocks used in the Laser® new vang. One in the middle of the vang. It can also be used in the cunningham of the Laser® These fit the Maffioli Swiftcord on our Line page. Sheave dia. (in) 5/8 Length (in) 2-1/8 Weight (oz) 1 Max. line dia. (in) 7/32 SWL (lb) 450 Breaking strength (lb) 1200 407Price: $42.35Sale price: $36.95 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