StudPro 2500XI Stud Welder 1/4" Capacitor Discharge Welder Will shoot CD Studs #4-1/4" in DIA. Made in the USA with parts Made in the USA! Includes: #4x 25 gun cable & (2) pcs #4x 15 ground cable Manufacturer 1 year parts and labor warranty Weld Rate: 30/Stud Per Min