This 1x2x6 Gridfinity holder can hold up to 10 TS100/TS101/Pinecil soldering iron tips, the iron itself, 6 CNCKitchen Heat Set Insert Soldering Tips, and a small screwdriver for the iron. When stored upright with jack facing down, tips should not melt the holder even when hot, but proceed with caution hot-swapping the tips. This model is based on Gridfinity Templates Solidworks by BuildSomething