Features [PRODUCT PARAMETER] Including 5pcs cutting tips with 1.0mm aperture, the cutting speed is 480mm/min, cutting thickness is 10‑20mm. [LARGE CALIBER] Large gas or oxygen intake port caliber, which has strong combustion supporting performance. [CUTTING ACCESSORIES] These isobaric cutting tips are compact, and are good accessories for acetylene flame cutting machines. [COPPER MATERIAL] Made of excellent copper material, with good thermal conductivity and corrosion resistance. [FINE PROCESSING] These cutting nozzles are precisely processed, with uniform pores and powerful cutting. Specification: Item Type: Cutting Tips Model: G02-0 Material: Copper Uses: Acetylene flame cutting machine accessories Aperture: Approx. 1mm / 0.04in Cutting Thickness: Approx. 10-20mm / 0.4-0.8in Cutting Speed: 380-480mm/min Product Size: Approx. 86 x 19mm / 3.4 x 0.7in Package List:5 x Cutting Tips 5 x Storage Boxes Note:1. The oxygen purity is not less than 99.5%2. The carbon content of the cut steel is 0.45%3. The cutting method is vertical cutting Package List 5 x Cutting Tips 5 x Storage Boxes