The T20 is a larger shackle designed for mid to large sized boats. They are popular on the America’s Cup racing circuit. The T-20 has a breaking strength of 20,000 lbs. Standard bail configurations weigh only 11.9 oz. Ideal for 40 to 70 foot sailboats.
SB - Standard Bails provide ample room for attaching a line while keeping weight and overall shackle length to a minimum. Ideal for halyards and sheets.