b'NEW 338875 mm BlocksAbout Black Magic Air blocks: see feature pages at beginning of this section.The low-load block has a red isolator. It uses Delrin ball bearings, with a 17-4 PH stainless headpost and 316 stainless steel shackles.3230 Wave CatamaranRobert Hajduk324445 338872 mm(2 13/16") 43 mm(1 11/16")75 mm(2 15/16")3231 3233 32443243 3232 3241 3242Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.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 kg3230Single loop*2 15/16753 15/161007.362099/1614500022681000045363231Single/swivel2 15/16755 1/812911.683315/169/161450002268100004536 8 3232Single/swivel/becket2 15/16756 3/1615712.83635/1689/1614500022681000045363233Double/swivel2 15/16755 1/413425.447213/8109/161475003402150006804 3241Spriddle/swivel2 15/16757 13/1619917.765035/1689/161450002268100004536 3242Spriddle/swivel/becket2 15/16758 7/822518.965385/1689/1614500022681000045363243Single/swivel/low-load2 15/16755 1/812911.823355/1689/161430001361600027223244Stand-up**2 15/16755 15/1615115.64429/1614500022681000045363388Single loop/wide sheave * 3 1/4824 17/3211612.23469/162x 1450002268100004536 *Loop not included. See page 81. **Includes padeye. Uses hole spacing and base dimensions of 627 padeye.53 Maximum working load decreases at varying angles, refer to page 85.'