The billiard ball racks are made of solid pine wood with black paint. The 8-ball billiard ball rack measuring 13" x 11.6" x 1.25"; the 9-ball diamond rack dimensions are 12" x 8.25" x 1.25". The pool ball racks fit standard 2-1/4" pool balls, perfect for home game room or bar use. | Gse Games & Sports Expert | | Solid Wood 8-Ball Triangle and 9-Ball Diamond Ball Racks for 2-1/4" Pool Balls, Pool Ball Rack | Black | Best Buy