Global Pool Products GPP-MLD-3ST-SV-M 3-Step Silver Vein Modern Pool Ladder with Heavy Duty Gray Treads, Marine Grade. The Modern series of inground pool ladders from Global Pool Products provides a stylish, heavy duty, and safe way to enter and exit your swimming pool. Each of our pool deck ladders includes our Solid Step Technology, a critical safety feature that makes sure you have firm footing on your way out of the water. This ladder has a wall thickness of .065".