• One‑piece low‑friction swivel block designed for versatile deck applications
• CNC‑machined, hard black anodised & Teflon-coated aluminium frame—no pins or screws
• 60 mm composite fibre sheave on stainless steel hub with Delrin ball bearings for smooth rotation
• HR swivel-head D‑shackle included—locks in longitudinal & transverse positions
• Compact and lightweight (~160 g), yet rated for high loads in marine environments

The Antal OPF 60 Swivel Block (Model 00601 / ANT00601) is a high-performance deck fitting featuring a one-piece aluminium frame that is CNC-machined, hard anodised, and Teflon-coated for durability and corrosion resistance. The 60 mm composite fibre sheave rotates on a stainless steel hub with Delrin ball bearings, providing ultra-smooth handling with minimal friction :contentReference[oaicite:1]{index=1}.

It comes complete with an HR swivel-head D‑shackle, which allows secure locking in either longitudinal or transverse orientation for flexible mounting options :contentReference[oaicite:2]{index=2}. Weighing approximately 160 g (0.353 lbs), this design supports a Safe Working Load (SWL) of 800 kg (1,764 lbs) :contentReference[oaicite:3]{index=3}.

Specifications
Sheave Diameter: 60 mm (2.36 in)
Maximum Line Size: 12 mm (0.47 in)
Safe Working Load (SWL): 800 kg (1,764 lb)
Weight: ~160 g (0.353 lbs)
Frame Material: CNC-machined aluminium, hard black anodised & Teflon-coated
Sheave Material: Composite fibre resin on stainless steel hub with Delrin ball bearings
Mounting: HR swivel-head D‑shackle (longitudinal & transverse lock)
Shackle Included: Model 006SS HR swivel-head D‑shackle
Part Number: 00601 / ANT00601

The Antal OPF 60 Swivel Block is a lightweight, maintenance-free deck block that combines robust load capacity, smooth line handling, and adaptable mounting—ideal for high-performance and racing sail applications.