Features: Perpendicular, burr-free holes.Sizes Kit contents: 17mm, 18 mm, 18.2mm, 19mm, 20mm,22.5mm, 24mm, 26 mm, 26.7 mm, 32mm.All in Blow mold case ( sizes: 19 x 13.5 x 6 cm ).Packing: Color Sleeve + PE shrink