What a deal!! An assortment of large pieces of mostly hardwood for the bigger guys. ALL PIECES ARE DRILLED; hole size will vary. All items are at least 1" across, and some are 2" or 3" or more. Assortment will vary from batch to batch (and from the picture), but includes wheels, dowels, spools, and other odd pieces. We get many of these items on special because they have large amounts of defects--dings, gouges, knots, etc. Other pieces are items we are discontinuing and have no damage. (We doubt your bird will know the difference). Recommended for large birds/large chewers.