Faca de dedo anel cortador de linha dedal costura artesanato diy ferramenta acessórios com lâmina plástico estofando tesoura alfaiate

material: plastic Weight: one about 2.4 grams Diameter: 20mm Height 17mm Product material: plastic Uses: Mainly used in textile, weaving, packaging and other industries. Product description: The blade is made of SK5 material, which is durable. The most suitable finger circumference is 5.5cm-6cm. It is measured against the finger. The ring knife is designed with an opening and will automatically expand, but if it is larger than the size of the logo, it will feel tight. , Not easy to break, good quality, safer. Because the shell has the function of protecting the knife, it is recommended not to buy shell products with brittle materials, so as not to cause cuts. The main component, the blade, has more stringent production requirements, longer life and higher cutting efficiency.