Features 1. 2024 new steel self drilling anchor bolt: providing durability and strength. The self drilling drywall anchor bolt and screw kit simplifies installation, allowing you to directly secure items to the drywall without the need for pre drilling. 2. Easy installation: 1. Knock the anchor bolt into the drywall, 2. Thread the screw through the fixing device and insert the metal plug, 5. Tighten the screw for fixation. More convenient and faster than traditional plastic anchor bolts 3. materials: The screws are made of carbon steel, galvanized, and have a sturdy and durable structure. Compared with traditional plastic anchor bolts, there is no need to drill holes on the wall, which can prevent any damage to the wall and leave no holes after use. When removing anchor bolts, simply stretch them on the wall without damaging it. 4. Widely used: The deep thread design can be firmly connected to concrete, gypsum board, insulation board, hollow bricks, etc., suitable for hanging or fixing photo frames, outdoor decorations, outdoor statues, wall lamps, curtains, televisions, blackboards, wall cabinets, sunshades, outdoor terraces, etc. 5. Heavy duty drywall anchor: Adopting ribbed anchor and conical pointed expansion design, when tightening the screw, it will expand on two opposite sides, increasing the holding force. Used for fixing patio umbrellas, outdoor patio furniture sets, shelf support nails, fake owls, Halloween decorations. The perfect tool to add vibrant colors to your wall panels during parties and holidays. Specification Style: M12 x 30，M12 x 40 Material: Manganese steel Color: Golden Size: 1.2 x 0.3 x 1 cm, 1.2 x 0.4 x 1 cm Weight: 840 g, 1060 g Package Include: 200pcs Drywall Anchors and Screws kit