All the felt bobs in this assortment are top quality, American-made. Mounted on 3/32" mandrels. The set comes packaged in a handy, twelve-compartment box with easy reference lid for convenience in storing, using and reordering. 12 bobs including bud, round, cone, pointed, tall cylinder, short cylinder, small inverted, large inverted, small knife, large knife, small square wheel and large square wheel