Features: Made from rubber material , do not dry out or crack, are corrosion resistant and high temperature resistant. Has good toughness. The Cable Grommet is used to protect and insulate wires and cable. Heat, abrasion and oil resistant, very easy to install. The eyelet has a thin rubber membrane in the middle that you can poke through to create your own opening. Equipped with a clear storage box, which is safe and more convenient, easy to carry and well classified. Suitable for car, cylinders, valves, pumps, electrical appliances, chemicals pipes, sprayers, water pipes and decorations, etc. Specifications: Material: Rubber Size: As Shown In The Picture Package Includes: 80pcs 7.14mm 40pcs 9.53mm 30pcs 12.07mm 20pcs 15.88mm 10pcs 19.05mm 10pcs 22.23mm 10pcs 25.4mm note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.