... Plastic chain, UV protectMaterial: HDPE 1: dia.3mm, inner length 13mm, out width 11mm 2: dia 4mm, inner length 27mm, out width ... 16mm 3: dia. 6mm, inner length 27mm, out width 20mm 4: dia. 8mm, inner length 38mm, out width ... 27mm 5: dia. 10mm, inner length 49mm, out width 37mm 6: dia.12mm, inner length 65mm, out width 40mm ...