Allen 40mm Swivel Block with Cleat 4-10mm Select (See Table Below):AL-2040-SC-676 40MM DYNAMIC: SINGLE SWIV/CAM - EACH EchoMap 9 Series

EchoMap 9 Series

Stainless Steel Fasteners Automatic Bilge Pumps No Hose Size 25mm / 1"

However it is perfectly ok to use up to the maximum on flat and smooth surfaces and for storage

Manufacturer Part Number: M19/15W

Allen 40mm Swivel Block with Cleat 4-10mm Select (See Table Below):AL-2040-SC-676 40MM DYNAMIC: SINGLE SWIV/CAM - EACH EchoMap 9 Series40mm Swivel block with cleat 4 10mm. The 40mm dynamic ball bearing block is an essential piece of equipment with a range of applications suitable for mainsheet, jib, spinnaker and vang systems. It has been designed with a clever stainless steel anchor strap and Allen dynamic bearing technology for performance and durability. Line friendly soft contours and articulation, Stainless steel cheeks and inner bearing systems handle maximum loads, Central