PTO Driveshaft

[tld]

I have a JD 4110 with a small BushHog mower. When connecting to driveshaft to the PTO spline, I need to remove 3 white connectors that keep the guard on. These are about 1.5 inches long and have a slot on top to turn with screwdriver. You turn it counterclockwise and pull it out. The guard then slips back.

Problem....all of these white connectors have been lost.

I know this is an older model, but does anyone know:
1. what is the part name for these?
2. Where can I get them?
3. Is there an easier to use guard where I don't have to use these connectors?

 

[Buckgnarly]

I beleive I have seen them at Tractor Supply. My one shaft uses a plastic piece that pops up to release the guard, no parts to lose but not sure if you retro fit it.

 

[tld]

Found them at JD store. Shield bolt/fastener. Was on the Bush Hog schematic they had. 2 dollars each and I am back in cutting.