The Design Master professional scissors series by Kasho is considered as Kasho's introductory model. The tension adjustable screw system allows variable tension settings. The Design Master series is available in straight or ergonomically designed models. - Semi-convex blades with a satin finish. - Available sizes from 4.5 to 6.0. - Thinning scissor options: 15, 30, 38 teeth A type, B type. - Available options for left-handed scissors in 5.5 or 6.0.