WitEden 2x2x6 Cuboid Cube Black Body
Size:51x51x153 mm
Weight :about 191 g
Smooth rotation.
Video: https://youtu.be/YltQF9o3xFw
If perfer twins, you can state "black and white" in the shipping cart.
To buy Calvin's Lube, please go below link,
//www.hknowstore.com/locale/en-US/categoryofcorp.aspx?corpname=nowstore&search=Lube
Enjoy !
Happy Cubing !