10pcs M4/M5/M6 Rubber Well Nuts Blind Fasteners Windshield Windshield Fairings 100% Brand New and High Quality Motorcycle Mount Accessories Specifications: 10 brass nuts with rubber boots. Screw the threaded screw into the expandable insert of the brass nut to secure it in place. Great accessory for kayaks, canoes, boats, motorcycles. Rubber nuts included Flanged neoprene sleeves with retaining brass Vibration and shock resistant nuts Noise reduction available for blind holes and pipes Specification: Color: Black Material: rubber + brass thread Size: M4/M5/M6 Quantity: 10 pieces