Material: made from PVC(White), good insulation and heatresisting up to 85 oC. spacious designed wiring duct Material: made from PVC(White), good insulation and heatresisting up to 85°C. Feature: spacious designed, and the strong adhesive tape in the duct button. Item.No.W1(mm)W2(mm)H(mm)L (mm)JTD-110.407.308.01MJTD-214.5011.808.0JTD-317.5015.6011.0JTD-423.5019.5012.0 Telephone Wiring Duct