PTO locking pins from Koch Industries are yellow zinc-plated. They are available in either round or square wire retainers.
| Id | 300367 |
| SKU | 7480007 |
| PartNo | 4021511 |
| Type | Round Wire Retainer |
| Size | 5/16 In |
| Length | 2-1/4 In |
| Finish | Zinc-Plated |
| Color | Yellow |
| CID | 9 |