The product is a set of 2 Ender 3 V3 SE hardened steel nozzles by the brand POLISI3D. Available in sizes of 0.4mm and 0.6mm, these high-quality nozzles are designed for optimal performance with a spider hotend. With a compact product dimension of 0.66 x 0.28 x 0.28 inches and weighing only 0.35 ounces, these nozzles are a reliable choice for 3D printers, providing precision and durability for all your printing needs.