Description: Round Guardrail Delineators Model: SG-G6A Reflector Size: Φ3.15 Inch Material: PMMA Color: Crystal, Amber, Red or other colors available on request. Bracket Size: 1.97×2.6×5.4 Inch Bracket Material: Nylon Thickness: 0.14 Inch Specialty: 1-Way, 2-Way; European Standard