The WAGO 221 Lever-Nut Assortment (P221-28) is a 28-piece wire connector kit that simplifies electrical splicing with tool-free lever operation. This genuine WAGO kit includes transparent housings for easy visual inspection and accommodates solid, stranded, and flexible copper wires from 24–12 AWG. The assortment contains inline, 2-wire, 3-wire, and 5-wire connectors rated for 20A at 600V, all organized in a durable storage case. Dual built-in test slots allow safe circuit troubleshooting without disconnection. UL Listed and engineered for both residential and commercial applications, it eliminates the need for traditional twist-on wire nuts and specialized tools.