TThe%20entire%20line%20of%20Black%20Magic%26reg%3B%20AirBlocks%26reg%3B%20has%20been%20redesigned%20with%20a%20sleek%20new%20look.%20Their%20unique%2C%20performance-packed%20engineering%20remains%20exactly%20the%20same.Carrying%20some%20of%20the%20highest%20loads%20imposed%20by%20running%20rigging%2C%20these%20strong%2C%20lightweight%20blocks%20feature%20Torlon%26reg%3B%20roller%20bearings%20housed%20in%20a%20center%20cage.%20Rollers%20stay%20parallel%20for%20low-friction%20efficiency.%20Sculpted%20hardcoat-anodized%20aluminum%20sideplates%20protect%20sideload%20ball%20bearings.%20Dissimilar%20metals%20are%20isolated%20to%20minimize%20corrosion.%20Blocks%20are%20easily%20disassembled%20with%20a%20single%20hex%20wrench.Either%20metric%20or%20imperial%20flathead%20fasteners%20may%20be%20used%20for%20mounting%20and%20are%20not%20exposed.%20Part%20Number%3A%20HK3235%20Specifications%20%20%20%20%20%20Sheave%20%26Oslash%3B%20(mm)%26nbsp%3B75%26nbsp%3Bmm%20%20Sheave%20%26Oslash%3B%20(in)%26nbsp%3B2%2015%2F16%26nbsp%3Bin%20Length%20(mm)%26nbsp%3B111%26nbsp%3Bmm%20Length%20(in)%26nbsp%3B4%203%2F8%26nbsp%3Bin%20Height%20(mm)%26nbsp%3B57%26nbsp%3Bmm%20Height%20(in)%26nbsp%3B2%201%2F4%26nbsp%3Bin%20Weight%20(g)%26nbsp%3B490%26nbsp%3Bg%20Weight%20(oz)%26nbsp%3B17.28%26nbsp%3Boz%20Maximum%20line%20%26Oslash%3B%20(mm)%26nbsp%3B14%26nbsp%3Bmm%20Maximum%20line%20%26Oslash%3B%20(in)%26nbsp%3B9%2F16%26nbsp%3Bin%20Maximum%20working%20load%20(kg)%26nbsp%3B1572%26nbsp%3Bkg%20Maximum%20working%20load%20(lb)%26nbsp%3B465%26nbsp%3Blb%20Breaking%20load%20(kg)%26nbsp%3B3143%26nbsp%3Bkg%20Breaking%20load%20(lb)%26nbsp%3B6930%26nbsp%3Blb%20Number%20of%20fasteners%26nbsp%3B4%26nbsp%3B%20Fasteners%20(mm)%26nbsp%3B8%20FH%26nbsp%3Bmm%20%20%20Fasteners%20(in)%26nbsp%3B5%2F16%20FH%26nbsp%3Bin%20A%20(mm)%26nbsp%3B10%26nbsp%3Bmm%20A%20(in)%26nbsp%3B3%2F8%26nbsp%3Bin%20B%20(mm)%26nbsp%3B29%26nbsp%3Bmm%20B%20(in)%26nbsp%3B1%201%2F8%26nbsp%3Bin%20C%20(mm)%26nbsp%3B71%26nbsp%3Bmm%20C%20(in)%26nbsp%3B2%2013%2F16%26nbsp%3Bin%20D%20(mm)%26nbsp%3B21%26nbsp%3Bmm%20D%20(in)%26nbsp%3B13%2F16%26nbsp%3Bin%20E%20(mm)%26nbsp%3B76%26nbsp%3Bmm%20E%20(in)%26nbsp%3B3%26nbsp%3Bin%20F%20(mm)%26nbsp%3B110%26nbsp%3Bmm%20F%20(in)%26nbsp%3B4%205%2F16%26nbsp%3Bin%20G%20(mm)%26nbsp%3B16%26nbsp%3Bmm%20G%20(in)%26nbsp%3B5%2F8%26nbsp%3Bin%20%26nbsp%3B%20%20%20%20%20%20%20%20%26nbsp%3B%20Resources%2FReferences%3A%20Need%20help%20to%20design%20your%20Harken%20system%20-%20take%20a%20look%20here%20for%20the%26nbsp%3BHarken%20System%20Guides%20and%20Drawings%20Or%20perhaps%20you%20need%20some%20other%20information%20(load%20calculators%2C%20block%20selectors%2C%20service%20instructions%20or%20manuals)%3F%26nbsp%3B%26nbsp%3B%20Take%20a%20look%20here%20for%20all%20the%20official%26nbsp%3BHarken%20Support%20Information%20%26nbsp%3B%20%26nbsp%3B