COMPREHENSIVE SET: This HVAC repair set includes 6 expander drill bits in common AC line sizes ranging from 1/4" to 7/8" for working on soft copper tubing.
PRECISE SIZES: Featuring bits with diameters of 1/4", 3/8", 1/2", 5/8", 3/4" and 7/8" this set allows for an accurate fit on air conditioner refrigerant lines.
DURABLE CONSTRUCTION: Made from high quality carbon steel, the expander bits are designed to withstand heavy use without breaking or dulling for long-lasting performance.