The Antal OPF 50 mm Single Web Block with Becket (Model 00510) is crafted for sailors seeking maximum efficiency and versatility in rigging systems. Featuring a 50 mm composite fibre sheave running on a stainless steel hub with Delrin bearings, this block delivers exceptionally low friction and fluid rope movement without the need for lubrication. Its CNC-machined, hard black anodised, Teflon-coated aluminium frame provides exceptional strength and corrosion resistance in a sleek one-piece design.
Designed with no assembly pins or screws, the OPF 50 Web with Becket maintains a compact, lightweight profile and robust integrity under load. The added becket allows for easy attachment of a secondary control line, while the webbing bail accommodates soft rigging loops or Dyneema webbing. Weighing just 110 g, it supports a Safe Working Load (SWL) of 500 kg, making it an excellent choice for demanding racing and cruising applications where performance and reliability are essential.
Specifications
Sheave Diameter: 50 mm
Line Size (Max): 10 mm
Safe Working Load (SWL): 500 kg
Weight: 110 g
Frame Material: Hard black anodised & Teflon‑coated aluminium
Sheave Material: Composite fibre resin on stainless hub with Delrin bearings
Bail Type: Webbing
Becket: Yes
Part Number: 00510 / ANT00510
The Antal OPF 50 mm Single Web Block with Becket is a top-tier lightweight, low-maintenance deck hardware solution, offering high performance, versatility, and strength for modern sailing setups.