The Harken 40mm T2™ Soft-Attach Block (Part No. 2149) features a 40 mm sheave diameter, equivalent to 1 9/16 inches, and can accommodate lines up to 10 mm or 3/8 inches in diameter. With a maximum working load of 220 kg or 485 lbs, it is a reliable choice for various applications such as traveler controls, mainsheets and vangs, cascades, bridles, and other systems where lightweight and compact blocks are required. Unlike traditional blocks, the T2 is made of high-strength composite material, eliminating the need for metal shackles or rivets. Furthermore, its versatile design allows it to be easily tied, spliced, or lashed to different structures. Add a length of Spectra¨ line, and you're ready to go.