Description: 【High Quality Material】: Our Drywall Self Drilling Anchor is processed from high quality carbon steel material, which has high hardness, good pressure bearing capacity, durability, and long service life. 【No need to drill holes in the wall】: Gypsum Expansion Anchors do not require drilling, can be easily removed and reused, and will not leave marks on the wall after use. 【Easy to Install】: These Self Tapping Screws Drywall Plug Combinations are easy to install and easy to use, just insert it into the hole and then arrangement and tap it flush, while passing the screw through fixing and screwing into the anchor. 【Wide Application】: This Self Drilling Anchor for Gypsum Board is widely suitable for drywall, gypsum board, wallboard, etc, and can hang objects on the wall, perfect for hanging home decoration items, such as photos, curtains, etc. 【Design】: The drywall self drilling anchor adopts a flat shape design, you can directly use a Phillips screwdriver to remove the screws and replace the decoration at the same time. Size Chart: 1.2cmx3cm: casing outer diameter: 1.2cm, casing length: 3cm, casing outer diameter: 4cm, nominal length: 3cm 1.2cmx4cm: casing outer diameter: 1.2cm, casing length: 4cm, casing outer diameter: 4cm, nominal length: 4cm Package Includes: 20 Drywall Self Drilling Anchor Note: Please allow slightly errors due to manual measurement and different monitors.