This set contains 180 pieces of 8 different sizes rubber grommets,essential for automotive, boat and RV wiring, and repair jobs.
8 different Size: 5 pieces of 5/8,7/8,1 inch; 20 pieces of 1/2 inch; 25 pieces of 7/16 inch; 40 pieces of 1/4,5/16,3/8 inch
Material: flexible and durable rubber, have good resistance capability to oil or water leak,UV light and ozone,phosphoric, hydrochloric, sulfuric,saltpeter acid and so on.
Convenient to use: easy installation,packed in a clear plastic organizer case with snap close lid, portable and easy to store.
Usage: rubber o rings are for wiring repair, etc. and can used to protect or cover holes and to protect cables or wires from sharp corners or edges on firewalls and metal panels.