Allen Brothers 157MM O Ring Hatch Cover with Hatch Bag Santana 20 Standing Rigging Reliable Performance Under Load

Reliable Performance Under Load

reduces wear

Sheave diameter (in): 2 5/32

Rope diameter (in): 3/16

30mm Single Tii-On Block

Allen Brothers 157MM O Ring Hatch Cover with Hatch Bag Santana 20 Standing Rigging Reliable Performance Under Load157mm Hatch Cover Black. This is an externally sealed hatch cover. The gasket (body) is fixed to the hull of the boat and the A. 538 O ring is placed around the gasket, under the small lip. The hatch cover lid is then screwed tight onto the gasket and forms a seal with the O ring around the external diameter of the hatch. This hatch cover requires O ring A. 538 to be installed for complete water tightness. PLEASE NOTE A. 538 is not included. Technical