Features: Enhances your 3D printing experience with the Knob Kit, designing specifically for precisions adjustments on the printer. Crafted from aluminum, this knob providing easy grip for smooth movement control. For 3D printing enthusiasts, DIYer hobbyists, and professionals seeking refined manipulation of their hotend. Whether you are in lab setting or at homes crafting your latest project, this Knob Kit ensures accurate and effortless modifications to your 3D printer setups. The kit's compatibility with the knob makes it a must having accessory for users looking to upgrades their 3D printer's functionality and aesthetics. Specifications: Component:Aluminium Size:As Picture Shown Package Includes: 1pcs Adjustment Knob Kit note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.