Astro Pneumatic Tool Co. warrants our products to the original user against defective material or workmanship for a period of 1 year from the date of first use. Astro reserves the right to determine whether the product failed because of defective material, workmanship, or other causes, and to charge back for missing parts. Astro Pneumatic Tool Co., at its discretion, will repair products covered under this warranty free of charge. The original user is to return the product (with the exceptions listed below) with the distributor’s name, address, adequate proof of date of purchase or a copy of warranty card, and a short note explaining the problem. Failures caused by accident, alteration, or misuse are not covered by this warranty.