This is an assortment of 180 quality rubber grommets in 8 popular sizes. These grommets are ideal for automotive, marine and RV wiring jobs. The grommets are designed to protect wire and cables in metal junction areas. These grommets are essential for all applications that require wire or metal separation. The set includes: 40-Piece each of 1/4-Inch, 5/16-Inch and 3/8-Inch, 25-Piece of 7/16-Inch, 20-Piece of 1/2-Inch, 5-Piece each of 5/8-Inch, 7/8-Inch and 1-Inch