CNC turned in Black Walnut and hand finished. Each ergocine sphere V2 has a beautifully designed German made stainless steel M6 thumb screw and an Arri style rosette. They are roughly the size of a cue ball and fit perfectly into the human palm. We use regionally harvested American Black Walnut, finish to 320 grit and finish with a non toxic all natural linseed oil and beeswax mix.
ergocine Sphere V2
Free domestic shipping via USPS Priority. We ship anywhere in the world! All ergocine products are warrantied forever.