The Barton Size 1 Single Fixed Eye & Clevis Becket Block is designed for small to mid-range vessels and comes with nylon sheaves suitable for all ropes, including braided dyneema. Newly designed for 2019 onwards, the Barton Blocks are known as great value for money and practical for many applications. For racing applications, consider getting the ball bearing versions.Barton Size 1 Blocks suit outhauls, downhauls, and kickers for smaller dinghies, including Laser, Topper, and Optimist boats.The Size 1 Plain Bearing Blocks have a 30mm (1 3/16″) sheave. The range is designed with an internal steel frame for added strength and durability. Also available in ball bearing sheave options, the lightweight modern design is available in variations that allow for a multitude of uses on every size craft.Suitable for up to 8mm (5/16″)rope.SpecificationsWeight: 44 gDimensions: 72 32 25 mmSize 1: (30MM)Block Type: Fixed Eye + BecketNo. of Sheaves: SingleBearing Type: PlainSheave Size: 30mm x 12mm (1 3/16″ x 15/32″)Max rope diameter: 8mm (5/16″)SWL: 355kg (782lbs)Break load: 710kg (1565lbs)Max rolling load (ball bearing blocks): 245kg (540lDownloadFactsheet .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 / }