We are here to meet all of your ring and plug thread gage needs. We invite you to become a member of our thread gage rental program. As a member of National Gage Rental you will have access to the largest inventory of thread gages available anywhere. There is no cost to become a member. To get more information on rental please type "rental" in the comments section when completing the membership form and a National Gage Rental representative will contact you soon.