Kit contains 48 most popular sizes of insulated ring, spade, butt, quick connectors, and tool. Crimps insulated open and closed type terminals, contacts, and splices. Built-in burr-free bolt cutter. Includes 15 pieces each: RV1.25-3, RV2-4, SV1.25-3, SV2-4. 10 pieces each: FD022-16, MDD16-14. 5 pieces each: RV2-5L, BV1, BV2. 2 pieces each: BV5, SV55-5. Comes in reusable see-through plastic storage container.