The 3M Electrical Spec. part 7000051883 is a high-quality hole plug designed for snap-in installation in panels with a .875 inch hole size and a maximum panel thickness of .062 inches. Made of durable black HS nylon material, this hole plug features a .250 inch thickness and a 1.016 inch outer diameter. Perfect for sealing and protecting panel cutouts, this hole plug provides a clean and secure finish for electrical applications.