SAFTRON White Single Post Spa Floor Handrail - SF-24-W High impact polymer exterior is super-strong and corrosion-proof Enclosed, reinforced galvanized steel interior for durability Non-marring finish is impervious to pool chemicals, salt, and UV damage No bonding or grounding required during installation Dimensions: 18 Inches Wide x 24 Inches High x 1.90 Inch Outer Diameter