Easy to use when opening and closing the trimmer. Made of stainless steel material, with rust, good flexibility, not easy to damage. Just the old and replace the trimmed springs with new ones. This comfortable work and high cutting . Durable Materials: Crafted from stainless steel materials, this volute secateur springs is built to withstand outdoor conditions, providing long-lasting reliability without the need for frequent replacements, Manufacturer: EYZJQSTUV