€71.00
1 in stock (can be backordered)
The Antal OPF 50 mm Mast Base Block (Model 00516) is engineered for high-performance sail handling where compactness, durability, and low friction are essential. It features a 50 mm composite fibre sheave running on a stainless-steel hub assisted by Delrin bearings, delivering ultra-smooth rope movement and minimal drag without the need for lubrication. The one-piece CNC-machined aluminium frame is hard black anodised and Teflon-coated, offering exceptional strength, corrosion resistance, and sleek styling.
Designed specifically for vertical mast mounting, the block includes integrated feet with M6 threaded holes to ensure secure and reliable attachment at the mast base. With no assembly pins or screws, the block remains compact and lightweight, weighing only 65 g, yet supports a Safe Working Load (SWL) of 600 kg. It’s an ideal choice for sailors demanding reliable, low-maintenance deck hardware with superior performance in a streamlined package.
Specifications
Sheave Diameter: 50 mm
Line Size (Max): 10 mm
Safe Working Load (SWL): 600 kg
Weight: 65 g
Frame Material: Hard black anodised & Teflon-coated aluminium
Sheave Material: Composite fibre resin on stainless hub with Delrin bearings
Mounting: Integrated feet with M6 threaded holes
Part Number: 00516 / ANT00516
The Antal OPF 50 mm Mast Base Block is a top-tier deck hardware solution combining low friction, strength, and ease of installation in a sleek, maintenance-free package—perfect for serious sailors.
