The Barton Size 0 Triple Swivel Block are designed for small to mid-range vessels and comes with nylon sheaves suitable for all ropes,including braided dyneema. Barton is known as a great value for money and practical for many applications. For racing applications, consider getting the ball bearing versions.Barton Size 0 Blocks suit outhauls, downhauls, and kickers for smaller dinghies, including Laser, Topper, and Optimist boats.The 20mm sheave Size 0 block range is available in plain and ball bearing assembly. Engineered for dinghy sailors and small craft enthusiasts, the series defines high strength, keen performance, and lightweight design for racing and day boats. Also ideal for lead blocks, flag pennants, and small line systems on larger yachts.The Barton Size 0 ball bearing block has 20mm (3/4) sheaves and is also available in plain bearing sheaves. Designed for high strength and performance but lightweight, with the range starting at only 13 g (0.5oz).Suitable for up to 6mm (1/4) rope.Ideal for use on dinghies, day boats, and smaller craft or lead blocks, flag pennant, etc. on larger yachtsSpecificationsWeight: 58 gDimensions: 71 43 21 mmSize: 0 (20 mm)Block Type: SwivelNo. of Sheaves: TripleBearing Type: Ball BearingSheave Size: 20 mm 8 mm (25/32″ 5/16″)Max Rope Diameter: 6 mm (1/4″)Safe Working Load (SWL): 275 kg (606 lbs)Break Load: 550 kg (1210 lbs)Max Rolling Load (ball bearing blocks): 130 kg (286 lbs)Brand: BartonDownload Factsheet .input-wrapper a { text-decoration: none; / Removes underline / background-color: transparent; / Ensures no background color / } .input-wrapper a:hover { text-decoration: underline; / Adds underline on hover / background-color: transparent !important; / Removes grey highlight / }