Dimensions: 3 x 2 inches: The grinding stones measure 3 inches in length and 2 inches in width Material: Aluminum: Constructed with durable aluminum material for long-lasting use Magnets: Aluminum metal magnets: Features aluminum metal magnets for secure attachment Cleaning instructions: Clean with mild soap and water: Easy to clean and maintain after use Printed side: Single-sided print: Printed on one side for specific usage Package contents: Replacement grinding stones: Specifically designed for Oster Nail Grinder and Gentle Paws Rotating Nail Trimmer