Welcome to the store! This is the main motor upgrade kit for a new Neo series extruder. The products are 100% new and made from high-quality metal materials, suitable for 1.75mm filament. Pre-drilled with 2 holes for easy installation/replacement on your printer, featuring a solid and stable structure. Due to different batches, there may be variations in product appearance, color, and printed text, which do not affect usage. Color: Silver Material: Aluminum Alloy Package Contents: 1x Hotend Kit (Includes silicone cover, random color, specific color not accepted) (Only the above package content is included; other products are not.) Note: Light reflections and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any issues after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!