Features: 1.The blade is made of SK5 with sharp and durable edges, which is convenient and convenient for long-term use. 2.The outer plastic material has good ductility, it is not easy to crack, good quality and safer. 3.The opening design of the thread cutter ring will automatically expand, and the most suitable finger circumference is 5.5 - 6cm / 2.2 - 2.4in. 4.The cutting efficiency of the blade is high, and it is mainly suitable for textile, weaving, packaging and other industries. 5.Easy to use, just put on your finger, it is a great gift for friends who are sewing. specification:Condition: 100% Brand New Item Type: Thread Cutter Ring Material: Plastic + SK5 Color: As Pictures Shown Outer Diameter: Approx. 2cm / 0.8in Inner Diameter: Approx. 1.5cm / 0.6in Quantity: 6Pcs/Set PackageList:6 x Thread Cutter NotePlease note that the color of this product will be sent randomly, please make sure you don't mind before ordering.