Features: Made of 304 Stainless Steel corrosion resistant durable and steady . Ideal For Rotating Shafts And Applications Where The Pin Should Have Very Little Play. Stands Up To Side-load Force. Spring pins are slotted0r coiled to expand to fit the diameter of a hole which should be smaller than the diameter of the pin Specifications: Spring pins diameter: 5mm/0.2inch Spring pins length: 40mm/1.57inch Material thickness:1mm/0.04inch Main Color: Silver Tone Material: 304 Stainless Steel Package includes: 20 Pcs x Slotted Spring Pin