Features: Make of 304 stainless steel, it has good hardness, load bearing capacity, and reliability. They have corrosions resistance and rust prevention properties, are sturdy and enduring. Our single hole open end pin is a solid cylindrical metal fastener, with a through hole at the bottom of each bolt. Easily to install, and quick to disassemble. Easy to use, simply insert the split pin or R-pin into the hole of the U-bolt until bolt head rest on bolt, and then use pliers to unfold the fork foot of the split pin in the opposite directions to quickly and firmly tighten bolt. Widely used for fixing bolts and pins in automobiles, mechanical equipment, garages, workshops, power equipment, cars, trucks, lawns mowers, small engine maintenance, and fixing devices. The pin is a class of standardized fasteners, it can be connecting, but also to do relative movements with the connector, it mainly applied for hinge of two part, and then constitute a hinge connection. Specifications: Component: Galvanized Steel Type: M8x20/M8x25/M8x30/M8x20/M8x35/M8x40/M8x50 Thread diameter: about 8mm/0.32inch Excluding thread length: about 50mm/1.97inch Accessory length: about 33mm/1.3inch Package Includes: 10pcs Single Hole Clevis Pin note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.