* Manual & Electric Operation: Operate manually or with an electric drill (not included) for flexibility and speed; both methods create accurate 45-degree single flares suitable for professional plumbing work * Stronger and More Reliable: The flaring bracket and splint are manufactured from alloy steel for enhanced strength and rust resistance; outperforms cast iron in service life and reliability * Eccentric Flaring Design: Provides even pressure for smooth flaring; reduces material damage; helps ensure leak-free connections; requires less effort during operation * Wide Compatibility: The splint features clear size markings; works with tubes of 1/4", 5/16", 3/8", 1/2", 5/8", and 3/4" diameters; suitable for soft metal tubes such as copper, brass, and aluminum; use in HVAC systems, brake lines, refrigeration repairs, etc. * User-Friendly Design: The splint features size marker lines and recessed holes; works with the positioning ball to ensure accurate tube placement for precise flaring results; the clutch on the top knob automatically disengages after flaring * Note: Includes a sample flared tube to showcase results; the product has not been previously used! Reach out with any questions, we’re here to help. Positioning Block Ensures your tube extends to the correct length, providing consistent and accurate results for every flare you create. Marker Line Provides a clear reference point for positioning the tube, ensuring accuracy for a flawless flare every time. Recessed Holes Slide the splint to align the protruding positioning ball with the right hole, ensuring precise placement before flaring. Positioning Ball and Fixed Link The protruding positioning ball fits securely into the correct hole. Tighten the fixed link to lock the splint in place, ensuring stability during flaring.