Alloy Steel Quick-Release pin from the Jergens Kwik-Lok Pin brand.
Style: T-Handle
Pin Diameter: 12mm
Grip Length: 50mm
Double Sheer Strength: 229 kN (51479 lbs)
Pin Body: High Strength Alloy Steel, 4130 heat treated and cadmium plated, yellow trivalent chromium passivation
Handle: Handle is black cast aluminum and the button is blue anodized aluminum