Each set is furnished in a plastic case. 3 Flute style supplied for sizes 6 and smaller. All other sizes supplied in 4 Flute style. Set includes: #4, #5, #6, #8, #10, #12, 1/4", 5/16", 3/8", 7/16",1/2", 5/8", 3/4", 3mm, 3.2mm, 3.5mm, 4mm, 5mm, 5.5mm, 6mm, 7-8mm, 9-10mm, 11mm, 12mm, 16mm, 18-20mm
