Can be turned either 3 bump or 4 bump. Diamond Painting Pen, Length 5 inches without tips. Comes with Velvet Pouch & your choice of 2nd tip. These take lots of prep & time to turn, some take up to 3 hours thru the polishing process. Care needs to be taken with this pen. If you are prone to dropping pens, this pen is not for you. Photo is of actual blank. Once turned the outside of blank will disappear depending on how turned. Handmade on Lathe. The tips are interchangeable. Some of the tips might become loose. When this happens, I wrap a piece of scotch tape around the insert. When needed. Dried Flowers Diamond Painting Pen, Lime Green Bunny Tails, Drill Handturned, Alumilite