| Small brass acorn nut for mirror head for mirror 7853BAdditional Information Brass acorn nut for mirror head for mirror 7853B. This is the nut behind the mirror head as well as the center nut on the arm. 1/4-20 thread size Questions and Answers There are currently no questions for this item. To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |