Home » Ladders » Aluminum Ladders » Straight Ladder 6 Step Dock Ladders by International Dock Products - Ladders- Standard 6 STEP. Dock Ladders by International Dock Products - Ladders- Standard . Constructed from marine grade aluminum 1 1/4" I.D. 6063 T-5 aluminum pipe Welded for strength - extruded aluminum channels are serrated to produce a non-skid surface with no sharp edges Use as either a dock or seawall ladder Standard ladder sizes are: 3,4,5,6 & 7 step models - large inventories maintained 6 STEP Email Friend Price: $169.88   « Previous | Next »