Dynamo - Copper and Aluminum Spinning Top w/ Knurled Grip Spindle & Ceramic Bearing

Specifications:1.25” around and 1.06 in tallWeighs 30gBrushed FinishKnurled stemThe spinning point is a ceramic (Si3N4) bearing that is 3/16” diameterHand FinishedShips in 1-3 business daysMade in the USA This Dynamo is constructed with a copper outer ring and has a knurled aluminum spindle. It has a ceramic (Si3N4) bearing for it's spin point. The top has a brushed finish and the copper will develop a patina over time. This Dynamo was crafted on a CNC lathe followed by hand finishing and knurling of its stem on a manual lathe. While spin times will vary with practice and experience, the copper and aluminum dynamo had 15 minute spin time during performance testing. All Kemner Design tops are designed, crafted and finished in my shop. I personally test all of the tops for performance prior to shipping them to you. The Dynamo comes with a personalized owners card that proudly displays the name of the top, birth date, material and bearing used, serial number and maker’s signature. Tops ca