Product Description: The anchor bolt made of plastic material is very durable and not easy to break. The automatic drilling gypsum board screw kit is made of metal and has high It has good corrosion resistance in harsh environments such as high temperature, cold weather and high humidity areas. When the screw is tightened, the cracks in the slotted anchor expand on the opposite sides, which improves the clamping force and has an anti rotation structure. When designing the expansion sleeve, do not rotate while drilling when tightening the screws. These gypsum board holders and screws are ideal for hanging ledges on very soft gypsum boards. The plastic anchor of the gypsum board prevents the anchor from rotating into the hole during installation. Business scope: gypsum board, fiberboard, hollow board, etc., used for curtains, lamps, cross stitch, photo frames, photo frames, jewelry, decorative parts, etc. Specification: Item type: gypsum board anchor Kit Material: plastic, metal Color: grey Type: gray butterfly anchor Package includes: 50pcs gypsum board anchor (including screws) Note: 1. due to different display and light effects, the actual color of the object may be slightly different from the color displayed in the image. Thank you! 2. due to manual measurement, the allowable measurement deviation is 1-3cm.