Medium Grit 40mm Mushroom Gourd Cleaner

07-MCM Medium Grit 40mm diameter Mushroom Cleaner (Second photo shows different shafts available that must be purchased separately)

40mm? what the heck! Let's try nominally 1-5/8" diameter. These threaded tools are used to clean out the seeds and membrane inside gourds and prepare and smooth the surface for carving. 3 different shafts are available and not included the the mushroom cleaner