Copper Pipe Expander and Crimp Tool Set - Wide range of sizes: provides ample and versatile sizes to suit common copper tube diameters used in HVAC repair and installation. Helps you handle multiple jobs without swapping tools. - Durable bearing steel construction: designed for long service life with high hardness, excellent wear resistance, and resistance to deformation or breakage. Built to withstand regular use in demanding environments. - Effective expansion and crimping: specifically engineered for copper tubes, enabling reliable expansion and secure crimps for leak-free connections. Robust design supports repeated use across fittings. - Deep expansion capability: offers a large expansion depth to achieve a precise, flush fit with fittings and joints. Helps ensure a clean, professional result. - Broad compatibility: suitable for air conditioning systems, refrigeration lines, and general copper pipe work. Works with standard copper tube sizes and common fittings. - Practical and reliable performance: combines expansion and crimping functions in a single tool concept for efficient on-site work without excessive tool changes. 2-3 use scenarios - Air conditioning installation and service: expand copper refrigerant lines to connect to fittings and manifolds, then crimp for secure, leak-free joints. Ideal for new installations or field repairs. - Residential or commercial plumbing repairs: expand and prepare copper tubes to fit new fittings or replace damaged sections, reducing downtime and ensuring solid connections. - Industrial refrigeration and process piping: handle larger or custom copper tube runs with deep expansion capability to achieve precise, dependable joins in demanding environments. Notes - The set emphasizes durability, multi-size coverage, and compatibility with standard copper tube applications common in HVAC and plumbing.