#9997 Softbore Cutter Set, 6 Pieces, Including 1/4", 3/8", 1/2", 5/8", 3/4" and 1.0" Diameters. 3" Long, with 1/4" Shank on 1/4"-1/2" Diameters and 3/8" Shank on 5/8"-1" Diameters. An Ejection Hole is included on each size. To simplify production, we no longer produce the Whistle Notch on the sides! Thinwalled Brass Construction, Aluminum Mandrel. Picture #2 is of 1/2" Thick Balsa Wood, cut with a 1/2" Diameter Softbore at a Right Angle, and at 45 Degrees. Surface finish is Excellent! Due to popular demand, the tools come in a plastic container with a foam block!