http://www.pbresource.com/rollover.htm
I can see the part number right on it in the photo for the shorter one.
1 1/2” Hole 2 Hole Mini – Tent Style Opaque
Red - C15646R
The longer one might be this, but you'll have to measure or read the part number on it:
2” Hole 2 Hole Mini – Tent Style Opaque
Red - C15647R