The Sand Disc Screw Type 50mm 320G 10PC for Surface Conditioning Kit consists of 10 abrasive sanding discs, each 50mm in diameter and featuring a 320-grit sanding surface. These discs are designed for use in surface conditioning tasks, such as smoothing, polishing, or prepping surfaces for finishing. The screw-type attachment allows for secure and easy installation on compatible tools, ensuring efficient and stable use. Ideal for metalworking, automotive, or woodworking applications, these discs help achieve a clean, even finish on a variety of materials.