The edge line of the blade is evenly polished, using the convex arc design to increase the thrust of scissors,to make the cutting more smooth and stable.With meticulously crafted clear tip of tooth ,the thinning scissors are sharp and do not clip the hair. The scissors are made by high-quality 6CR stainless steel with high hardness, so that the scissors are durable,sharp.Each scissors suffers forties process carefully polishing and grinding,so that the scissors are better quality and more durable. Ergonomic design makes scissors fit the fingers perfectly. you can feel very comfortable to hold the scissors in hand.Many buyers friends feedback that this set is very comfortable to hold in hand Each set comes with an adjust-key, and you can use the adjust-key to adjust the tightness of the scissors. With meticulously crafted clear tip of tooth ,the thinning scissors are sharp and do not clip the hair The edge line of the blade is evenly polished,sing the convex arc design to increase the thrust of scissors,to make the cutting more smooth and stable Classic design makes scissors fit the fingers perfectly. you can feel very comfortable to hold the scissors in hand Color: black Material :6CR stainless steel Hardness:56HRC Size:6.0 inches Thinning rate : 20-30% Edge：convex edge Process : forties carefully polishing and grinding process 1 straight scissors 1 thinning scissors 1 razor 1 comb 1 zipper case 1 adjusted-key 1 cleaning cloth Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.