Cemented Carbide. High quality and Extra . Compatible with , Refine, Rabbit() , Redsail() , (), (RJ), etc. Standard Blade for cutting color adhesive media -standard vinyl. Suitable for cutting media up to 0.25mm thick -Durable and practical -No rust and anti-static -Best performance with high precision specification: Material: Tungsten steel Size: diameter is 2.0mm, total length is 23.5mm Contains: 30pcs Color: blue Scope of application: cutting plotter cutter, lettering cutter packing list: 30 * blade Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.