17mm Nuts (M12 thread) x 4 This will fit some 1/8 models wheel nuts using fine threads (1.0mm pitch). Please ensure to check your model is using a fine thread (most common) not self tapping/coarse. Note: these are not suitable to replace self tapping/coarse threads 1.25mm Note: 17mm is the hex (measured across the flats). 12mm is the thread. Material: Alloy Colour: Please select above.