Home Boat Maintenance Manholes & Hatches 20” Single Bolt Manhole (Stainless Steel) ICF 20” Single Bolt Manhole (Stainless Steel) $799.49 20” Single Bolt Manhole (Stainless Steel) quantity Add to cart Product Details Product Details Stainless Steel. A: 20″. B: 17-3/4″. C: 3/8″. D: 1/2″. E: 4″.
