b'57 mm Blocks MOUNT WITHSOFT ATTACHMENTAbout Black Magic Air blocks: see feature pages at beginning of this section. Part no.3419 Using one of our soft attachment options is perfect for the 57mm Black Magic block. Choose the 80mm soft shackle with T-Close and Dyneema sheath for UV and abrasion protection. 4556 mm(2 3/16") 32 mm(1 1/4")57 mm(2 7") 3227322632153214 3216 33873229Low-load blocks have red iso-lators. They use Torlon rollers and 316 stainless steel shackles. Standard blocks have 17-4 PH stainless headposts.3217 3218 3219 3227 33863228Torlon is a registered trademark of Solvay Advanced Polymers, L.L.C. *Includes padeye. 6 mm (1/4") fastener circle: 37 mm (1 15/32"). **Loop not included. See page 83.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 kg3214Single loop**2 1/4573763.23927/161225001134500022683215Single/swivel2 1/4574 11/161195.361521/467/161225001134500022683216Single/swivel/becket2 1/4575 1/21405.861661/467/1612250011345000226832172 1/4575 3/1613211.863365/1687/1612360072003267 Double/swivel1633 3218Double/swivel/becket2 1/457615212.433525/1687/1612360016333267 7200 3219 Triple/swivel2 1/4575 3/1613213.343785/1687/16124850220097004400 3226Single/swivel/low-load2 1/4574 11/161195.441541/467/16121655750330015003227Stand-up*2 1/4574 1/21147.042001/467/161225001134500022683228Double/swivel/low-load2 1/4575 3/1613212.0534287/16122755125055102500 5/16 3229Single/swivel/low-load/becket2 1/4575 1/21405.951691/467/16121655750330015003386Double loop**2 1/4573765.9316812113450002268 7/162500 3387Single loop/wide sheave ** 2 1/463 3 1/2886.4181.37/1612250011342268 5000 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 or as part of a block assembly. Contact Harken for AL aluminum sheave or block assemblies. 53'