The 3M Scotchlok M4BCK is a non-insulated, brazed seam locking fork terminal used for connecting stranded copper wires. It features a tin-plated annealed copper construction with a beveled barrel for easy wire insertion. This terminal is ideal for applications requiring a secure and reliable connection, such as automotive, industrial control panels, and electrical distribution systems. It is UL Listed and CSA Certified, ensuring compliance with industry standards.