Allen 40mm Dynamic Single Swivel Block – (AL-2040-SC)

The Allen 40mm Dynamic Single Swivel Block is a versatile and high-performance sailing block suitable for mainsheet, jib, spinnaker, and vang systems. Engineered for both durability and smooth operation, this block is a must-have for sailors seeking reliable performance on dinghies, small yachts, and racing craft.

Featuring Allen’s dynamic ball bearing technology and a stainless steel anchor strap, the 40mm block ensures exceptional strength while reducing friction for easy line handling. Its line-friendly soft contours and articulation protect ropes from wear, while stainless steel cheeks and inner bearings allow it to handle maximum loads with confidence. A central hole is included for tie-on becket attachment, adding further versatility.

Specifications:

• Line Diameter: 6–10mm

• Length: 73mm

• Breaking Load: 800kg

• Features: Dynamic ball bearing system, stainless steel anchor strap, central tie-on becket

• Allen Part Number: AL-2040-SC

Compact, durable, and efficient, the Allen 40mm Dynamic Single Swivel Block provides smooth, low-friction performance and superior reliability for all your sailing applications.