100% brand new and high qualityLow density, high hardness and strength corrosion.Low thermal conductivity. Super duarable.Density: greater than equal 2.48/cm3Microhardness: greater than equal 3500kgf/mm2Flexural strength: greater than equal 400MPa Melting point: 2450 Life for each material: Steel Shot: 2000-2500h, Quartz sand: 1000-1500h, Corundum: 500-1000hDimensions: 35x20mm/1.38x0.79inchBore diameter: 3mm, 4mmModel Number:Sandblasting NozzlePower Type:PneumaticUsage:Home DIYCup Volume:otherApplication:Sandblasting NozzleType:Sandblasting Nozzlecolour:blackMaterial:Boron carbidePackage Contents:1 * Sandblasting NozzleOnly 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.