This is an organizer designed for manage long pin component in electronic prototyping project. Ideal for construct circuit on breadboard, keep parts in check and sorted. Avoid loss, damage, tangle, trap, and identification difficulties. Sponge or Styrofoam may bend pins also they aren't sold in small quantities for instant demand. Having components collected in a rigid organized state are easy to organize, reuse, limit risk of ESD. Can store in variety of containers such as cardboard box, desk drawer, even backpack. Not recommend for chips.