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Universal head allows one block to function as a front shackle, side shackle or swivel shackle block. Large sheave diameter and high working loads make them suitable for sheet and control blocks on medium to large offshore boats. Beckets are removable. 704 series are aluminum; 705 blocks are stainless. Where applicable, blocks use 1/4" fasteners.
- Sheave: Black or white Delrin®
- Bearings: Plain bearings
- Sheave Size: 2-3/8" (60mm)
- Line Dia: 1/2" max.
- Shackle/Strap Type: Swivel shackle with three-way locking head
- Safe Working Load: 2250 lb.
This article will help you prepare for passage making that is both safe and fun.
By Chuck Hawley and Tom Burden, Last updated 6/14/2019
This article reminds us to never exceed a fitting's Maximum Working Load (MWL) and provides a few points to consider when selecting blocks.
By Tom Burden, Last updated: 10/28/2019