ITEM NAME:3pcs Safety Protective Cover Electric Grinder Transparent Cover Shield Drill Description: 100% Brand new and high quality Works to debris on a variety of applications including cutting, sanding, grinding and polishing The shield can be quickly adjusted into position, provides easy access to the accessory, and does not interfere with the workpiece Spring friction design allows for quick adjustment and accessibility to accessory Attaches onto a rotary tool in place of its nose piece for quick and easy installation Specification: Fits for 100, 200, 275, 285, 300, 395, 398, 400, 770, 800, 3000, 4000, 8100, 8200, 8220, 4200 Replace part model number: A550 Thread: 17.5-19mm/ 0.69-0.75 inch Overall Dimension: Approx. 57x47mm/ 2.24x1.85 inch Package Includes: 3 Pieces of Protector Shield Cover Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. SKU: DMO0014670819466577.The shield can be quickly adjusted into position, provides easy access to the accessory, and does not interfere with the workpiece. 3 Pieces of Protector Shield Cover. Attaches onto a rotary tool in place of its nose piece for quick and easy installation.