The DOMINOX refrigerant puncture pliers feature a reinforced tungsten steel needle for professional refrigerant recovery. The precision tuning knob adapts to 4-8mm copper pipes, while steel teeth and spring linkage ensure stable clamping for effortless operation. The 1/4" interface connects directly to recovery machines for full-flow recycling, boosting efficiency. Reinforced steel body is wear-resistant for high-frequency use. The lightweight ergonomic design reduces fatigue, ideal for outdoor and high-altitude work.