Designed for professional including technicians, engineers, and mechanical maintenance specialists who require dependable tools for demanding technical tasks Constructed from stainless steel with resistance and finely engraved markings, it ensures precise gauging of capillary tubes and copper pipes This precisions capillary tube measurement tool features double scale, enabling versatile and accurate inner and outer diameter measurements for various industrial applications Ideal for use in hydraulic systems, pneumatic controls, and processes control setups within industrial environments, providing consistent measurement solution With its multifunctional capabilities, this stainless steel gauge enhances efficiency in complex scenarios, making it an essential precisions measuring instrument for critical workflows, Manufacturer: XIBEIDIANZI