3/8" Hi- Lok ratchet for the extra leverage needed to break the larger frangible collars over 1/4" and larger. Ratchet is 8.0" long and has a head thickness of 9/16". Features fine tooth action, 3/16" hole through and socket retaining ring on anvil. This unit is new and is a great quality import.I ship APO,International and do combine shipping. Check out my other items! Sign up for my email newsletters by adding my eCRATER Store to your Favorites