Features: Includes three size:10x2.8mm/10x4.8mm/10x6.3mm female connectors each Terminals is equipped with a 20cm/7.87inch 18AWG redness and black wire. Female spade connectors are make of tinned coppers, which have good elasticity, tinned surfaces, good conductivity and corrosion resistance, and is convenient for long terms use. The insulating sleeve is make of nylons, which have nice conductivity, oxidation resistance and firmness. These speaker wire connector that car speaker wire connectors and battery Terminals connectors are very suitable for equipment switches. These spade connectors do not need to be soldered and desoldering in the circuit, but only need to be pulls out when maintenance is need. Specifications: Materials: Coppers Line length: about 200mm/7.87inch Other size as shown in the picture Package Includes: 30Pcs Wire Connector with Insulating Sleeves note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.