Heatsink for 3D Printers Heat Sink, Fit for 3mm Filament, for V6 Heatbreak 3pcs

Top Hole Diameter: 3 mm; Bottom Thread Size: M6; Top Outer Diameter: 16 mm / 0.63 inch; Overall Size: 22.3 x 43 mm / 0.88 x 1.69 inch (D*H).Great for use on V6 J-Head Extruder Hotend Bowden, etc.