SHARP EDGE. The edge line of the blade is evenly polished,which make the scissors durably sharp.With meticulously crafted clear tip of tooth ,the thinning scissors are sharp and do not clip the hair.The edge of the curved scissors is 25°-30°,majority standard angle to satisfy most part of groomers. GOOD MATERIAL & TECHNOLOGY.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. COMFORTABLE TO HOLD,CLASSIC APPEARANCE.Ergonomic design makes scissors fit the fingers perfectly. you can feel very comfortable to hold the scissors in hand. RICH PARTS LIST.the set comes with 1 straight scissors,1 thinning scissors,1 curved scissors,1 case,1 cleaning cloth,1 adjusted-key,the adjusted key is used to adjust the tightness of the scissors."