Feature Made by high quality 304 stainless steel, strong rust and corrosion resistance, sturdy and durable. Smooth surface, easy to shape without cracks. Application - Widely used in Gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, model plane, model ship, model cars Specification Material: 304 stainless steel Color: silver tone Diameter: 4mm/0.159" Length: 250mm/9.84" Packing details: 10pcs x stainless steel round rod Note: The product are small parts, keep away from children and kids.