A2060 - 60MM DYNAMIC: SINGLE SWIVELPart # = A2060 Description = Plain Length (mm) = 88 Line Dia (mm) = 5 14 Shackle Pin (mm) = 5 Breaking Load (kg) = 1000 Max Dynamic Load (kg) = 500 Weight (g) = 80 60mm Dynamic Single Block. Designed for use on Keelboats and Catamarans for a range of applications from jib sheet to mainsheet systems and everything in between. The single block features a swivel lock, located at the head of the block. Simply turn the locking screw to either lock the