T2 LOOP Blocks with on/off loop system slides through the block head and and over the anchor post for a secure connection. SK75 Dyneema® Loop is included. The high-strength composite T2™ is the first block with no metal shackles or rivets. It is used for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small, lightweight blocks are called for. The T2 can be tied, spliced, or lashed to almost anything. A length of Spectra® line is included.Spectra® is a registered trademark of Honeywell International, Inc. Sheave Ø (mm)40 mm Length (mm)57 mm Weight (g)25 g Maximum line Ø (mm)10 mm Maximum working load (kg)220 kg Breaking load (kg)544 kg