DescriptionAre you looking for a professional wire connector kit? If yes, our professional product must meet your needs. Adopted with durable copper material, plated tin, practical and sturdy. With different types and enough quantities to meet your needs well, great for automotive and marine wire connecting use.Features-Color: Assorted.-Material: Copper, plated tin. -Size: About 4.00X1.50X0.80cm/ 1.57X0.59X0.31in. - Connectors AWG Specification: 22-16 AWG, 16-14 AWG, 12-10 AWG - Ring Terminals Size: #10, 1/4" , 5/16" , 3/8" . - Fork Terminals Size: #10 - Each terminal connector kit features a strong copper barrel to securely hold the cable when it is crimped.-Insulation tubing unique design, provide a 360-degree secure seal, flame-retardant, waterproof. -The heat shrink tubing provides high tensile strength as well as resistance to stretching and mechanical damage. -Copper terminal connector provides excellent conductivity, higher current flow and ensures less voltage instability. -Perfect for marine and automobile applications, can working on your boat, vehicle, home or scientific project.