<ul><li>For use on auto body work and metal fabrication.</li><li>Diameter: 4 by 1/4</li><li>Arbor: 5/8-Inch</li><li>Pack contains 25 wheels</li><li>Built to last</li></ul><br><br>Product Description\n\nhubless aluminum oxide grinding wheels. To be used on air or electric powered right angle grinders. Never use on high speed air sanders. Always follow ANSI B7.1 regulations.\n\nFrom the Manufacturer\n\nhubless aluminum oxide grinding wheels. To be used on air or electric powered right angle grinders. Never use on high speed air sanders. Always follow ANSI B7.1 regulations.

Shark 12733 4-Inch by 0.25-Inch by 0.625-Inch Depressed Center Wheel Type 27, 25-Pack