6" x 4" x 1/2" thick acrylic, carbon fiber look top with 6 holes drilled all the way through to support motor shaft and keep motor standing upright. This can be used while installing or soldering brushes, air cooling, or simply a place to keep your motor when not in your car. All holes are exact 1/8 diameter and hold the motor shafts snugly so there is no worry of it moving while working