Nut is made of premium brass, sturdy, anti-deformation, durable for long time use.The nut bushing is made of , wearable and tough. Useful accessory for sealing holes or isolating vibrations. These universal rubber well nuts fit most windscreens, body, other motorcycle and ATV applications. Features - Color: Black. - Material: ABS, copper. - Size 4: About 1.25X1.11X1.11cm/0.49X0.44X0.44inch. - Size 5: About 1.47X1.27X1.27cm/0.58X0.50X0.50inch. - Size 6: About 1.61X1.51X1.51cm/0.63X0.59X0.59inch. - Excellent craftsmanship and good materials ensure its durability and practicality. - Made by advanced equipment to ensure product safety, stability and durability. - These practical nuts can be used in motorcycle manufacturing or motorcycle maintenance industry. - Reasonable design and good craftsmanship will bring you a different experience. - This product is well polished, durable, and can be used safely by us. Package list: 10 x nuts