RecPro Marine 4 STEP FLIP UP BOAT DOCK SWIM LADDER W/ QUICK RELEASE LOCKS ADL-C4W 4 Step Flip Up dock ladders are perfect for easy and stable access to the water Flip-Up Dock Ladders - A quick-release safety pin locks this ladder in the down position and keeps it stored up and out of the way, so it stays clean when not in use. Large and Comfortable 20" x 4" Boarding steps Extra tall handrails 3 Year Limited Warranty/500lb. capacity