ZUVER PEX-A Expander Tool Kit with 3 Self-Rotary Matte Nickel Plated Expansion Heads (1\/2", 3\/4", 1") \u2013 Includes PEX Cutter, Meets ASTM F1960 Standard, for Plumbing, HVAC, and PEX Fittings

Fully Compatible: It meets the ASTM F1960 standard for PEX tubing expansions | Automatic Head Rotation: The expansion heads rotate automatically with each full open-close cycle of the handles to achieve uniform expansion, preventing deep grooves inside the pipe that could cause leaks | Efficient and Long-Lasting Heads: Expansion heads engineered with Wire EDM Cutting for precise expansion, made of high-strength steel with matte nickel-plated segments and a black oxide ring for enhanced durability | Lightweight Aluminum Alloy Body: The tube expander features a high-strength, chrome-plated steel pin for wear resistance and a lightweight; durable aluminum alloy body | Heart-to-Heart Design: The handle features a locking mechanism to prevent automatic opening when removed from the case; the ergonomic handle design is anti-slip and reduces fatigue during use