Got this new few years ago but never used it. The Ingersoll Rand 7811G Reversible 3/8 Airdrill is a single item air tool designed for different uses. With a drive size of 3/8 inch and an air inlet size of 1/4 inch, this impact wrench offers reliable performance for various automotive maintenance and repair tasks. Manufactured by Ingersoll Rand, a trusted brand in the industry, this airdrill comes with a manufacturer part number of 7811G and does not come with a warranty. It is important to note that this product may not be covered under any California Prop 65 regulations.