Store › Boron Carbide Nozzle Image 1 of 1 Boron Carbide Nozzle $35.00 20mm OD x 45.2mm long Size: Select Size 1/4in (6.35mm) 5/16in (8mm) 3/8in (9.5mm) 7/16in (11.1mm) 1/2in (12.7mm) Quantity: Add To Cart Added! 20mm OD x 45.2mm long