Cleaning Wool brush M4 Cal. 20-16  Niebling  with soft trimmings made of wool for thorough cleaning.

• Manufacturer: Niebling;
• Material: wool thread, brass;
• Diameter: 21 mm
• Length: approx. 90 mm;
• Thread: M4 external thread, with insertion aid;
• Caliber: 20 -16
• Manufacturer item number: 9-20G.40.27.