Cable Glands are used to create a waterproof passthrough on your enclosure box.
20 Pack
PG7 cable glands are used for most pigtails and extensions.
PG9 cable glands are used more for thicker extension cords.
PG7 are for wire size 0.118" - 0.169"
PG7 Hole Size: 1/2"
PG9 are for wire size: 0.158" - 0.252"
PG9 Hole Size: 5/8"