AMZCNC Hydraulic Hole Punch Set 1/2-4 inch Electrical Conduit Hole Cutter Set Metal Sheet Puncher (15T(1/2"~4")) AMZCNC Hydraulic Hole Punch Set 1/2-4 inch Electrical Conduit Hole Cutter Set Metal Sheet Puncher (15T(1/2"~4")) This hydraulic knockout hole punch driver kit features a compact and durable structure with high hardness and great quality, easy to operate to get a perfect, uniform hole. Suitable for power engineering, automobile modification, construction, machine tool sheet metal and other industries. About Us Welcome to Help! Resale, your go-to consignment shop where value meets quality. At Help! Resale, we're dedicated to providing you with an exceptional shopping experience, whether you're looking to find the best deals or consign your gently used items. Help Resale 7200 Fair Oaks Blvd Ste 120 Carmichael CA 95608 Business Hours: Monday-Friday: 9:00 am to 5:30 pm (PST) All product and company names are trademarks TM or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. (description exceeds maximum possible length)