Application scenariosApplicable to gypsum board, benzene board, decorative panel, asbestos board, hollow board, solid board and other materials on curtain installation, lamp installation, object fixing, can also cross stitch, photo frame, ornaments, ornaments, art pendant and other many installation functions play a good role in fixingUsing the method first drill holes in the hollow wallInsert anchor bolt Align the anchor element with the bolt anchor, insert the bolt and turn it clockwise until the bolt is twistedSpecificationMaterials: NylonModels: Expansion tube (without screws)Colors: WhiteProduct Size:The expansion tube has a total length of 50mm, Outer diameter 7-13mm. Inner hole with a diameter of 3.8mm. Package Contents:Expansion Tube (without screws)30pcsExpansion Tube x3050pcsExpansion Tubes, x50NoteDue to manual measurement, please allow slight measurement deviation. Due to different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the pictures.