Hollow wall anchors are made of high-quality carbon steel material, which is thick, strong and not easy to break, providing excellent stability for a variety of materials. Hollow door anchors have strong fixing and supporting capabilities, are not easy to fall off, and will not damage the hanging surface material. Hollow wall anchors consist of screws and anchors, installation with wall anchor setting tool will save time and be convenient. The M4 x 20 has a load capacity of up to 10 kg and the M6 x 25 has a load capacity of up to 15 kg, giving you Provides reliable support while minimizing the weight of the wall. Suitable for various substrates, such as thin metal plates, wallpaper, concrete, wood, aluminum cladding, iron plates, hollow plastic plates, ceramics, cardboard, etc. Suitable for shallow hollow panels such as doors and caravan walls. Suitable for fastening or hanging items, such as hanging curtain rods, door hangers, metal frames, wall cabinets, wall panels, license plates, clothes drying racks, shelves, artwork, etc. The first choice for any DIY or professional project involving thin, soft walls. 40 pieces in total, two sizes, 20 pieces each: M4*20mm, M6*25mm; These hollow door anchors and screws are perfect for 0-5 mm doors, providing reliable support and security in cavity walls Install.<br><br>Colour:Silver Material:Metal<br><br>Package Contents: 1 set x hollow door anchors<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.