Set 1: 1 valve key + 1 900mm ignition wire + 1 ground wire + 1 pulse igniter. Set 2: 1 valve key + 1 900mm ignition wire + 1 ground wire + 1 pulse igniter + 1 24in bellows. Versatile Use: This gas valve key kit is versatile, encompassing maintenance, installation, and shut-off, making it forideal for professionals and DIY enthusiasts.