Morris Products 10140 Spade Terminal, Vinyl Insulated, Yellow, 12-10 Wire Size, #6 Stud Size (Pack of 100) Vinyl Insulated Fork/Spade Terminals - These Fork/Spade Terminals are Vinyl Insulated. Fork/Spade Terminals are Vinyl Insulated Color Coded Insulation for easy identification Manufactured from High Strength Copper Alloy Electro-Tin Plated for corrosion resistance