1/4" Shaft Diameter x 1-1/4", Category 1, Yellow Zinc Plated, Lynch Pin, Fits Top Link Pins & Lift Arm Pins, Forged Steel With Snap Lock Ring, Usable Length 1-1/4", Shank Length 1-3/4", Overall Length 2-1/8".Easy to use. This product is highly durable. This product is manufactured in China.