Compatibility: This R8-24 actuator requires to pair with a pressing ring for operation - compatible with 1/2", 3/4", 1", and 1-1/4" press rings (* The Rings are Sold Separately) Applicable Material: Suitable for ProPress copper piping. 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) Flexible Operation: When used with pressing rings, it allows 180-degree flexible rotation, providing superior leverage and making it easier to work in tight or confined spaces 10,000+ Perfect Crimps: Crafted from ≥52HRC high-strength carburized steel, the actuator ensures precise control over applied pressure and torque, ensuring high-quality press and reliable connections