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 is possible Other parts and refills are also available. Please feel free to contact us. The cap for Jetstream 4+1 is from #Z Jetstream cap Please feel free to consult with us about anonymous shipping, etc. If you can't find it in the listings, please contact us in the comments. We are waiting for your comments. Kurutoga replacement eraser Jetstream replacement eraser Alpha Gel replacement eraser Mechanical pencil replacement eraser