[Package Contents]:90 Pcs yellow fork spade U-shaped wire connectors (AWG 12-10,4.0-6.0mm²,#10 bolt) [Thickness guarantee]:yellow 1.0mm, blue 0.8mm, red 0.11mm, Thick design for stable connection [Vinyl Insulated Sleeving]:PVC nylon sleeving with flame - retardant property, good shape after crimping for easy connection and high reliability [Premium Quality]: Made with pure copper for secure crimping, ensuring maximum current flow and minimal voltage drop, while a tin coating protects against oxidation and corrosion [Wide Applications]:Ideal for automotive, electrical industrial,power equipment and household appliances.