The vibration resistant male tab disconnect is made of base metal copper and nickel-plated. It is barrel insulated in a yellow, nylon housing. It has a tab size of 0.250 x 0.032" (6.3 x 0.8 mm) and supports a wire range of 12-10 AWG (4.0-6.0 mm²). It is 1.03" (26.2 mm) long and 0.25" (6.4 mm) wide. The disconnect has a standard barrel configuration and an insulation grip sleeve barrel. It comes in boxes of 500. .. see full description