Based on this product's specifications, here are some alternatives and similar models
Clamp Jaw Spring Manfrotto R035 — replacement spring for 035 clamp jaws
Summary description:
Replacement clamp jaw spring compatible with Manfrotto model R035 (035). Designed as a spare part for the clamp/jaw assembly, it restores tension and secure grip of the 035 clamp. Intended for use in camera support and mounting accessories where the original spring is worn, broken or lost. Easy to install as part of routine maintenance or repair.