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4-40 Hex Lock Nut Aluminum, Low Profile
1/4" socket or wrench needed
These are used in conjunction with the aluminum 4-40 x 3/8" screws for the bumper and nerf bar mounting on our Losi Mini T/B Chassis conversions. They do not fit the axles or any stock part on a Losi mini T/B.
Price is PER locknut