The 4Pcs Threaded Hard Drive Screws are high-quality and durable accessories designed for Macbook Pro A1342, A1278, A1286, and A1297 models. These screws securely hold the hard drive in place, ensuring stability and preventing any movement. They are easy to install and come in a pack of four for convenience. Compatible with specific Macbook Pro models, these screws are an essential accessory for laptop repair and upgrades.