2 x as easy to screw in as standard supports; the wood is 'cut' not 'displaced' no need for pre-drilling for hard wood far less fracturing in wood when screwed in best possible insulation properties Product basic info Primary colours: Black Diameter: 40 mm Height unit: 11.5 mm Weight unit: 571 g Material: ABS Additional material: Metal Physical properties Number of pieces: 25 Diameter wire support: 5 mm Number of drip nozzles: 3 General data Product series: Easy Drill EDX Operational properties Suitable for: Rope, Tape up to 10 mm Wire support type: Wide Connections Screw thread connection: Screw thread for wood (EN)