Size 5.0" & 5.5" Ergonomic ScissorsBlade Style: Convex Blades With Triple-HonedErgonomic thumb ring: reduce hand, arm,elbow, shoulder, neck and back problemsFinger Rest: Relieves stress shoulder and wristColor/Polish: PolishedTension Screw: Hidden Adjustable knob. Avoid to Jam hair by knobSteel /Metal: Japanese Stainless Steel 440CRockwell/Hardness: 58-60CBonus Free Case for scissors care All Brand New 1x 5.0" Ergonomic Curved finger hole Scissors 1x 5.5" Ergonomic Curved Finger hole Scissors 1x 5.5 Ergonomic Curved finger hole Smooth Thinning Scissors Ergonomiclly Curved/bent down finger thumb hole/ring to help reduce hand, arm, shoulder, neck and back problems.choose a handle design with ergonomic feature that insure the minimum risk for receptitive motion injury.Extra Anti-slip strips on outside finger ring Hidden Adjustable knob. Avoid to Jam hair by knob. New Mint Design with a patented special knob keyExtra Bonus: Free Case for scissors care Set of high quality professional grade hair cutting scissors from Harutake"s Value range of products. Designed to cut hair smoothly and evenly without causing any distress to the hands and fingers.