10 pieces of 304 stainless steel spring double hook tension spring tools Key features - Material: 304 stainless steel for durability and corrosion resistance - Size: wire diameter 0.4 mm, outer diameter 3 mm, length 40 mm - Design: single loop open design for easy hooking and releasing - Type: spring tension tools with double hooks for secure grip Benefits - Reliable tension and secure holding in small components - Open loop enables quick attachment and release without obstruction - Durable construction withstands repeated use in demanding environments What this offers - Precise, consistent tension in compact applications - Lightweight and compact for easy handling and storage - Corrosion resistant for long-lasting performance in varied conditions Use scenarios - Jewelry making and repair: secure clasps and links during assembly or adjustment - Model making and crafts: hold thin wires or small parts in place during assembly or gluing - Light electronics and small hardware work: temporarily hold components or test fits during setup and alignment