Mitsubishi uni Jetstream 4+1 JETSTREAM MSXE5-1000 Alpha Gel Kurutoga, etc. Refill erasers specifically for multi-function pens and mechanical pencils Set of 4 2 erasers = 1 refill lead Therefore, a set of 2 erasers + 1 lead is also possible. Please refer to the second image for compatible products ^_^ Bundling available Other parts and refills are also available. Please feel free to contact us. Jetstream 4+1 caps are available from #ZJetstreamCap Please feel free to inquire about anonymous shipping, etc. If you can't find it in the listings, please contact us via comment. We are looking forward to your comments. Kurutoga replacement eraser Jetstream replacement eraser Alpha Gel replacement eraser Mechanical pencil replacement eraser