Irritrol's 2400-45 Bonnet Removal Wrench comes from the 2400 Series. This wrench is for use with the 2400 Series Valves. Irritrol has made their name as a brand by selling and marketing exclusively to the professional installer, as a result their products are geared to be dependable and durable. Irrirtrol is now making their products available to you through our website. If you are looking for a product line that will last year in and year out, Irritrol is the brand for you.