Features:Suspension design, non-slip on knife edging.The thoughtful design of the non-slip sucker is not easy to cut.Easy to operate quickly when sharpening the knife.It is widely suitable for sharpening kitchen knives, fruit knife, scissors, bread knives, chef's knife.SpecificationColors: green, blue, redSize: 6.5x6.1cmWeight : 38gMaterial: tungsten + ceramic + absNote:The sucker must not have air or in the air it is not strong, so it is easy to cut.The use of attention to the protection of tungsten steel to prevent falling from a height.Keep away from children.