This is a combination kit that includes a 5-in-1 automatic wire stripper crimper and 400 pieces of connectors for easy and effective use. Come and try it. Features: Made of fine quality steel, collection of micro adjuster knob&wire stopper, adjuster knob, stripping, crimping, cutting five functions in one tool. Automatic wire stripper crimper has compact size, multifunction, and has a long service life. For crimping insulated and non-insulated terminals. Supplied in a sturdy re-usable compartment box to store connectors. Connectors include ring terminals, spade terminals, butt connectors, male and female quick-connects. Different sizes can meet different needs. Specifications: Main material: plastic Terminal size for automatic wire stripper crimper: 0.5-6.0mm, 4-6mm, 1.5-2.5mm, 0.5-1mm (from top to bottom) Automatic wire stripper crimper weight: 322g / 11.4ounce Package size: 270 * 220 * 60mm / 10.6 * 8.7 * 2.4in Package weight: 715g / 1.6lb Package List: 1 * Automatic Wire Stripper Crimper 20 * RV1-4 20 * MDD1-250 20 * SV2-5 10 * MPD5-156 20 * RV1-5 20 * BV1 20 * FDD-2 10 * SV5-4 20 * MPD1-156 20 * RV2-4 20 * MDD2-250 10 * SV5-5 20 * SV1-4 20 * RV2-5 20 * BV2 10 * FDD-5 20 * SV1-5 20 * MPD2-156 10 * RV5.5-4 10 * MDD5-250 20 * FDD-1 20 * SV2-4 10 * RV5.5-5 10 * BV5