Morris Products 11540 Spade Terminal, Non Insulated, 12-10 Wire Size, 5/16" Stud Size (Pack of 100) Non-Insulated Fork/Spade Terminals - Non-Insulated Fork/Spade Terminals area Convenient Alternative to Ring Terminals. Non-Insulated Fork/Spade Terminal Material: High Strength Electrolytic Copper Electro-Tin Plated Brazed Seam Serrated Barrel with Brazed Seam provides excellent electrical contact & resistance to pull-out forces