Lambda Two Piece (Aluminum & Tungsten)

The "original" ruby-tipped spin tops: crafted without compromise Why the high price and limited availability? Tungsten tops are well known for being wobbly, because the material is extremely difficult to machine precisely. It doesn't like to be cut, and destroys expensive carbide tooling very quickly. Unlike other makers, I personally hand spin 100% of tungsten tops to make sure there aren't any "bad" ones. This QC leads to a reject rate of about 30% of finished tops. Tungsten is $600 per foot of material, and there is a lot of time and effort to get all the way to a finished top. Kickstarter Original : This is the original design from my Kickstarter project. I still think it's the best. For me good design is all about balance and simplicity.  Making a good two-piece top is also exceedingly difficult. I retired the design for over a year and spent hundreds of hours prototyping to maximize consistency and performance. The tolerance level on both the spindle diameter and bore of the rin