OTC 5947 240-Piece Butt Connector Kit 240 connectors in a convenient plastic storage box 2 styles, heat shrink insulated and non-insulated 3 sizes of each style, 12-10 AWG, 16-14 AWG and 22-18 AWG A convenient and affordable variety you need to have on hand Replacement packs available and all are sold in quantity of 50 pieces