50pcs Premium Brass 18-22 (RED) Gauge Male-Female Solderless Crimp Bullet Plug Connectors Color Coded Insulation for easy identification Manufactured from High Strength Brass Electro-Tin Plated for corrosion resistance Easy Entry Expanded Insulation eliminates strand "Hang Up", increasing crimping rates and provides mechanical strain relief 25pcs female and 25pcs male