The glass chamber is 2" x 2" x 6". The Piston is 1-7/8" x 1-7/8" x 9". The crusher plate at the bottom of the crusher piston is 3/8" thick, and the steel plate at the top is 3/8" thick.The base is 3" x 4" welded to glass chamber and weighs 1 lb 10 oz,