Compatibility: This R7/8" press jaw is compatible with VEVOR 24KN compact electric press tools (MP-2430, SL-2430) and other brands (RP100-B, RP200-B, RP210-B, RP240, RP241, RP251, M12) Applicable Material: Suitable for RLS copper piping, providing a reliable and efficient solution for pressing fittings in high pressure HVAC/R applications and various piping applications 10,000+ Perfect Crimps: Crafted from ≥52HRC high-strength carburized steel, the press jaw ensures precise control over applied pressure and torque, ensuring high-quality press and reliable connections Fit in Tight Spaces: Compared with standard-series jaws, this compact press jaw is smaller, allowing flexible use in tight or confined spaces for easier handling and smoother operation