You could buy like a foot of nylon rod from McMaster Carr (probably tons of other vendors to choose from) for like a dollar.
http://www.mcmaster.com/#standard-nylon-rods/=12wos3m
Depending on diameter:
Here's 1/2" part #: 8538K18
Buy a cheap rotary tool:
https://www.amazon.com/Genesis-GRT2103-40-Rotary-Tool-Accessories/dp/B00885ZI06/ref=sr_1_8
Make a few of your own for less than half the price of the one on flippers.com (which doesn't even look to have a beveled end like the one in the picture up top). Buy extra nylon rod and practice until you get a perfect one... make extras for future replacement. Have fun, save money, and come out with a sense of accomplishment.