AES Industries 5540 Interchangeable Disc Holder, 3 in Dia., 1/4 in Arbor, Hard Density. The Industries is a reliable and highquality product designed to deliver consistent performance across a range of applications. Engineered with durability and ease of use in mind, it ensures efficiency and longlasting results for both professionals and hobbyists. Features. Built with durable materials for longterm performance. Designed to enhance productivity and ease of use. Suitable for both professional and everyday applicationsSpecifications. Disc Holder Size 3 x 0.25 in. Arbor Type Hard Density. Weight 0.02 lbs