The spade connectors kit includes three sizes 10 x 2.8mm female connectors, 10 x 4.8mm female connectors and 10 x 6.3mm female connectors-each terminal is equipped with a 20cm/7.87inches 18AWG red and black wire, and different sizes can meet your different needs Female spade connectors are made of quality tinned copper, which has good elasticity, tinned , good conductivity and resistance, and is convenient for long-term use. The insulating sleeve is made of nylon, which has nice conductivity, oxidation resistance and firmness. It can be used in conjunction with the crimping terminal and is safe to use These speaker wire connector that car speaker wire connectors and battery terminal connectors are very suitable for equipment switches.Very suitable for DIY enthusiasts and professionals, suitable for automotive, industrial and household electrical projects Good materials and structures like battery terminal connectors and Speaker connectors the best performance, and sizes and lengths make these connectors suitable for applications They are ideal for small flat connectors. These spade connectors do not need to be soldered and desoldering in the circuit, but only need to be pulled out when maintenance is needed Colour:As Shown Material:Polycarbonate Package Contents: 1set x speaker wire connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.