Replacement Needle: The replacement needle is made of aluminum and plastic, wear-resistant and durable. Easy to install: No tools needed, you can easily install the replacement needle by yourself. Size: The size of the disc player's needle is approximately 1.0 x 0.4 inches. Advantage: It provides clearer and softer sound quality and will not damage your valuable records. Dimensions: 1.8 x 1 cm Material: Plastic + aluminum Color: Red Package Contents: 4 x Replacement stylus needles Note: The package includes only the items listed above; other products are not included. Note: Due to light reflection and differences in display screens, the color of the item may vary slightly from the actual product. Measurement allows an error of +/- 1-3 cm.