Home Boat Maintenance Manholes & Hatches 18” T-Handle Manhole Cover Assembly (Painted Steel) ICF 18” T-Handle Manhole Cover Assembly (Painted Steel) $222.49 18” T-Handle Manhole Cover Assembly (Painted Steel) quantity Add to cart Product Details Product Details Painted Steel. Cover Assembly. A: 18″. B: 20-3/4″. C: 1-1/2″. D: 3/8″. E: 5-7/8″.