One knob (Material: Red sandalwood) Included: Bearings * 2, Thick spacer * 1, Thin spacer * 2 Knob diameter: Approximately 11-12MM Weight: 4-5g Please note: Instructions are not included. If you don't know how to install it, please search on YouTube or similar platforms. Made of lightweight and durable materials. Practical accessory for saltwater and freshwater. Can be easily installed on the handle using the included screw nut. Application: For Shimano / Daiwa custom replacement #yu365more Note: As this is an imported product, there may be scratches during transportation. Please understand.