Alloy Steel Quick-Release pin from the Jergens Kwik-Lok Pin brand.

Style: Button Handle
Pin Diameter: 12mm
Grip Length: 90mm
Double Sheer Strength: 128 kN (28774 lbs)

Pin Body: High Strength Alloy Steel, 4130 heat treated and cadmium plated, yellow trivalent chromium passivation
Handle: Light weight black anodized aluminum handle with blue anodized aluminum button