This spade connector set is made of , which can withstand use. Features the copper and nylon material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Color:Assorted Color -Material:Copper, nylon -Size:2.30X1.30X0.70cm/0.90X0.51X0.28in -Size:2.30X1.10X0.70cm/0.90X0.43X0.28in -Size:2.60X1.20X0.60cm/1.02X0.47X0.24in Red connector: Wire range: 0.5-1. mm; AWG: 22-16; max current: 19A Blue connector: Wire range: 1.5-2. mm; AWG: 16-14, max current: Yellow connector: Wire range: 4-6 square mm; AWG: 12, max current: 48A - The housing is made of material, which is safer than ordinary plastic. - Manufactured marine connectors from pure copper for maximum current and minimum voltage drop. - Turn any electrical wiring job into a fast and efficient process. - Suitable for automotive, marine, audio and industrial electrical controls, household appliances, machinery and other components. - Every detail is carefully crafted, experience the high durability and practicality. Package list: red spade connectors blue spade connectors yellow spade connectors