1. Perfect for replacing your missing and damaged well nuts. 2. Fit most windscreens, body, & other motorcycle and ATV applications. 3. Material: rubber + bass 4. Thread: M6 x 0.8mm 5. Size: - Shank Diameter: 12.1mm - Overall Length: 15.1mm - Head Thickness: 0.9mmm - Head Diameter: 16.1mm