This is a replacement pack of ten Axial 2mm Nylon Locking Nuts, intended for use with 1/18 Yeti Jr, SCX10, SCX10II, RR10 Bomber, Wraith and Wraith II kits. Comes with a precision hex head for the best fit which helps prevent stripping. Features: M2 Nylon Locking Hex Nut (Black) (10pcs) Precision hex head for the best fit which helps prevent stripping Made from durable black coated steel