Allen 20mm Triple Block with Inverted Cleat Select (See Table Below):AL-2024-677 20MM DYNAMIC: TRIPLE FIXED/CAM - EACH F9B-3630 and F9B-3637 pump models:

F9B-3630 and F9B-3637 pump models: 10-13026-4

assuring long life and top performance in all plumbing systems

Inlet / Outlet: 3/8" Volvo Penta configured

Also available in brass finish

Manufacturer Part Number: 5510633

Allen 20mm Triple Block with Inverted Cleat Select (See Table Below):AL-2024-677 20MM DYNAMIC: TRIPLE FIXED/CAM - EACH F9B-3630 and F9B-3637 pump models:20mm Triple block with inverted cleat. The Allen 20mm dynamic ball bearing block is simply the best designed and engineered micro block on the market. Line friendly soft contours and articulation, Stainless steel cheeks and inner bearing systems handle maximum loads, Central hole for tie on becket. Spec Sheet Part Description Length mm Line Dia. mm Shackle Pin mm Break Load Kg. MDL Weight gm RRP Inc VAT Unit AL 2024 677 Triple with inverted cleat 55