This bronze terminal lug from Pro-Line is designed for effective bonding and grounding applications, accommodating wire sizes from #14 to #4 AWG with a convenient 1/4" hole for stud attachment. The unique threading capability allows these lugs to cut their own threads on solid copper ground wires, specifically #2, #4, and #6, ensuring a secure and reliable connection. Engineered for ease of use, these larger double-hole terminals can be tightened with an adjustable wrench, making installation straightforward and efficient. Whether you're working on a project requiring robust electrical connections or need reliable components for grounding solutions, this bronze terminal lug offers both durability and functionality for demanding environments.