Description Package Includes: The package includes 4 cutting sleeves and 4 springs, which can meet your daily replacement and storage needs. High quality materials: Made of carbon steel, durable, long service life, good stability, impact resistance, cold resistanceand oil resistance. Unique Design: After special design, the edge can last longer on the rough surface. Aerodynamics can reduce noise and pipe jitter. Unique Design: After special design, the edge can last longerlong on the rough surface. quantity of delivery: 1 piece2pair (Package contents: Only the above package contents, excluding other products.) size:8.6*3.4CM ,spring: 3.6*3.6cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:orange color (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)