The return spring for the RX series by Lindström, made from high-quality 1% carbon/chromium steel (bearing quality), provides an optimal solution for precise and controlled tension throughout the entire work cycle. Through precision induction hardening, the material achieves a Rockwell hardness of 63-65 HRC, which guarantees exceptional strength and durability. The precision joint with screw and nut ensures perfect alignment and lasting functionality. The ergonomically shaped handles are suitable for both large and small hands and offer easy handling in precision work due to their softly rounded shapes. The spring tension and span can be easily adjusted, making the return spring universally applicable, both on hard and very hard steel wires as well as on soft materials like copper wire and cable. With three adjustable connectors that can be individually adjusted, this product offers flexible application. The package includes 5 pieces, each weighing 5 grams. Instructions for adjusting the connectors can be found in the document section, further simplifying handling.