b'3389HL45 mm Blocks MOUNT WITHSOFT ATTACHMENTAbout Black Magic Air blocks: see feature pages at beginning of this section.Part no.3433 J/Boats The 45mm Black Magic blocks can be attached with the 190mm soft-attach loop with cinch in 3mm line diameter.33913389 339033923393 3394 3395*Includes padeye. 5 mm (#10) fasteners, fastener circle: 30 mm (1 3/16"). **Loop not included. Torlon is a registered trademark of Solvay Advanced Polymers, L.L.C.Sheave Shackle pin Max line Maximum BreakingPartLength Weight working load loadNo. Description in mm in mm oz g in mm in mm lb kg lb kg452.013389 Single loop**1 2 1/2 63 57 3/8 10 1653 750 3306 15003390 Double loop** 1 452 1/2 63 3.63 3/8101653 750 3306 15001033391 Single/swivel1 453 15/16 100 2.79 79 3/16 53/8 101653 750 3306 1500 3392Single/swivel/becket1 454 3/4120 96 3/16 5101653 750 3306 15003.393/8 3393Double/swivel4543/16106 1/46 3/8 10 2425 1100 4850 2200 1 6.88 1953394 Double/swivel/becket1 453 7/8997.272061/46 3/8 102425 1100 4850 2200 3395 Single stand-up*1 453 11/163.953/810 1653 750 3306 15009411233961 455/1683/8101653 750 3306 1500Single runner 2 13/16712.8982 Plastic sheaves are provided as stock in 45mm and 57mm block assemblies for general purpose applications using line near max diameter. Aluminum sheaves are available for use with small line diameter, highly loaded, or static applications. Sheaves may be purchased separately 52 or as part of a block assembly. Contact Harken for AL aluminum sheave or block assemblies.'