KSEIBI 651006 Grinding Wheels 10-Pack, Aluminum Oxide Discs for Metal & Stainless Steel, 4-1/2" x 1/4" x 7/8", Aggressive Grinding for Angle Grinders, Depressed Center Design : Amazon.co.uk: Business, Industry & Science
AABTools | DeWALT DX7961-AE 7 In. Metal Grinding Disc (180mm), A30R7BF, Type 27 - Depressed Center