Product content: You will receive 12 pcs 5mm shelf support pins. The rich quantity can perfectly meet your daily needs and needs. Very suitable for shelves with a thickness of 5/8"/16mm. (Warm Note: In order to have a better fixing effect, the drilling diameter needs to be slightly smaller than the pin diameter. The recommended opening range of the hole opener is: 4.5-4.8mm) Sturdy and durable: The self-locking shelf pin is made of thick plastic, which has excellent rust resistance and corrosion resistance, is sturdy and reliable, and is safe and concealed. The stable triangular structure ensures that it has good support and has a greater carrying capacity than other shelf pins on the market. Self-locking design: The lock cabinet shelf clip adopts an upgraded self-locking design, which provides a strong grip, increases safety, and can fix the shelf more firmly, providing convenience for your life. This design greatly enhances your user experience. Easy installation: Our shelf support pegs don't require screws for installation. The transparent support pegs are incredibly easy to install manually by simply pushing them into the drilled holes. The shelves can be effortlessly removed by pressing down the spring clip with your thumb. Widely used: Self-locking shelf support holders are very suitable for supporting cabinets, bookcases, closets, bookshelves, kitchens, cabinets and various furniture cabinets. The transparent and simple design is perfectly compatible with all kinds of home decoration