This product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details. [Punch Holes with Ease]: The ABN Punch Tool Set 2pc will allow you to create holes in your automotive projects without sparks or cracks [For Your Metals]: Drilling holes in thin metal can cause the metal to bend, crack, and break; Punch set brass kit lets you create clean holes without damaging the metal [Quality You Need]: Brass construction prevents breakdown while in use; Use big brass punch kit with your hammer or mallet (not included) to break through without marring the material [Chisel and Punch]: Brass punch large punches set includes 2 punches for your needs; Use the chisel punch to create square-shaped holes, solid punch to create round  holes [Measurements]: Chisel punch measures 8 inches (20cm) long with 5/8-inch (1.5cm) hex that tapers to 3/8-inch end; Round punch measures 10 inches (25cm) long, 3/4 inches (1.9cm) in diameter, chamfered at both ends WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.