Features 24 popular size of ELECTRICAL TERMINALS disconnects and connectors. Homebuilders kit includes 20 each: R1881, R1891S, R1903, and 10 each of: R2442S, R5110, R5112, SS-22508, SS- 22541, XSO72985S, XS09024S, XS09620S, XS072985S, R1906S; 5 each: K5919S, K5920S, K5921, B1841BN, B1870BN, B1871BN, B1872BN; 4 each: D8-14, E6-14, F4- 516, G2-516 and one large plastic case.