Single pulley with ring + Allen clamp A2040SC - 677 - - SKU Title breaking load kg fixing hole centres mm length mm maximum line diameter mm maximum working load kg shackle pin mm weight g A2040SC - 677 Single With Swivel And A.677 Cam Cleat 800 - 73 6 180 4 107 40mm SINGLE WITH SWIVEL AND A.676 CAM CLEAT A2040SC - 677 Single With Swivel And A.676 Cam Cleat. The cam cleat can easily be adjusted to any angle. Simply remove the bolt through the middle of the block, remove the two black side plates and move the cleat arms to the desired angle. Replace the side plates and bolt to fix in new position. 40mm SINGLE WITH SWIVEL AND A.676 CAM CLEAT A2040SC - 677 Technical documents can be downloaded here