The Snap On Air Grinder Pt450 is a premium quality air grinder with a right angle grip, making it easy to use for detailed tasks. It features a variable speed trigger for precise control and a 1/4 inch collet size for efficient grinding. This single item set is perfect for automotive professionals looking for a reliable and durable air tool with no warranty included. The air inlet size is also 1/4 inch, ensuring compatibility with various air hoses and fittings. 1hp Few years old, donât have the guard. In working condition, just donât use it a whole lot