PTO locking pins from Koch Industries are yellow zinc-plated. They are available in either round or square wire retainers.
| Id | 301656 |
| SKU | 7479892 |
| PartNo | 4021421 |
| Type | Round Wire Retainer |
| Size | 1/4 In |
| Length | 2-1/2 In |
| Finish | Zinc-Plated |
| Color | Yellow |
| CID | 9 |