Groco Scoop Strainer 4 in. Bronze Round Osborne 91000-fits masts with circumferences of

91000-fits masts with circumferences of 17 1/2" and larger with corresponding mast collars of up to 31" (445 to 787 mm)

Chain Sizes: 1/4ALL

Dimensions: 138 mm L x 85 mm W

8 Series Single block with Stainless Steel cheeks and Aluminum "universal circuit" ball bearing sheave

Groco Scoop Strainer 4 in. Bronze Round Osborne 91000-fits masts with circumferences ofHULL STRAINERS WITH ACCESS DOORS Access to the thru hull fitting and seacock beneath GROCO hull strainers is made easy with the patented access door design. Now there is no need to remove the entire strainer to clear nuisance marine growth. ROUND HULL STRAINERS, Bronze