Features: Rubber grommets for holes are selected from rubber, which have good toughness and tear resistance, is not easy to break, is resistant to high temperatures, can be reused, and have durability and stability. Rubber grommet is ready to use and flexible to use, just directly into the dril hole. After installation, it is firm and not easy to fall. All rubber buns for holes are place in the storage box, well organized, easy to access and less messy. Suitable for various cable repair work, can repair cables. Prevent metal-to-metal contact, protect wire and cables, and insulating washers. Suitable for various car repairs, desk wire diameter perforation, repair and decoration of houses, valves, water pumps, electrical appliances, pipe, water pipe, hardware. 260Pcs in total to meet the use needs of different scene and areas. Specifications: Component:Rubber Color: Black Quantity: 260Pcs Package includes: 80pcs - 7mm (outer diameter) 40pcs - 9mm (outer diameter) 30pcs - 12mm (outer diameter) 20pcs - 16mm (outer diameter) 10pcs - 20mm (outer diameter) 10pcs - 22mm (outer diameter) 10pcs - 25mm (outer diameter) Package Includes: 260Pcs Rubber Grommets note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.