Global Pool Products GPP-MLD-3ST-SD-M 3-Step Sand Modern Pool Ladder with Heavy Duty Tan Treads Marine Grade, .065" Wall Thickness. 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.