Sait 77890Type 27 Unitized Disc 4-1/2 X 7/8 821 by Sait $25.21 Leaves our warehouse in 9 days 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Free shipping on orders over $50 in Canada Provides high stock removal, long life and productivity Very durable on edge Series 821-Hard Density, Medium Grade, Aluminum Oxide Grain Part # 77890 Sold in qty's of 4 Application Grinding Arbor 7/8 Inch Product type Non-woven Discs RPM 10000