Saftron RTD-448-GG 48" x 32" Graphite Gray 4-Bend Return-to-Deck Bend Above Water Handrail 0.25" Wall Thickness, High Impact Polymer. The 4-Bend Return-to-Deck Handrail comes in Classic or Fully reinforced, and contains encapsulated steel (classic model) or encapsulated aluminum (fully reinforced model) to provides superior strength and durability. A high impact polymer exterior ensures SĀFTRON rails are unaffected by pool chemicals, salt, and sun and remain cooler to the touch. No grounding or bonding required.