These are industrial-duty safety pins: one 4", the other 5" (approximately). Very handy for many applications. I knew one trucker who used this type of pin to retain his key ring. No more lost keys! I think they are made of stainless steel, but not positive. Definitely not magnetic. Designed to be rust proof. Very strong spring action. These will not fail. Old American stock from the 60's. Some workshop dust has accumulated over the decades and slight shelf wear, but otherwise, new-old-stock. THIS SALE IS FOR 2 PINS.