Electric and manual operations: Easily switch between powered threading machine drive and manual hand-crank mode to achieve consistent and precise results on both long runs and short, hard-to-reach pipe segments Crafted from heavy-duty cast steel and reinforced alloys, this tool offers outstanding strength and durability, ensuring reliable, vibration-frees performance even in demanding conditions Quick depth setting: Attain the perfect groove depth in just seconds using a simple rotary dial, allowing for instant and accurate adjustments for various pipe sizes with minimal effort Broad application range: Capable of creating standardized grooves on aluminum, PVC, and stainless steel pipes (50-165mm diameter, 2-7mm wall thickness), making it perfect for fire, plumbing, and HVAC projects in both DIY and professional environments Lightweight and user-friendly design: Designed for comfort and portability, its compact build minimizes fatigue, while an advanced gear reduces the necessary hand force by over 50%