78269 New Western Fisher Blizzard 1/4-20 Well Nut Fastener Kit

Set of 2 Western 1/4-20 Well Nut Fasteners # 78269. This is just the well nuts, they also sell a kit 78270 that comes with the bolts. These insert through a hole in the plastic to allow you to attach something. 

This is a package of two fasteners. They are used on the Western Tornado, Fisher Poly-Caster and Blizzard Ice Breaker 1.5, 1.8 andf 2.5 models.

For related parts and diagrams, check this document.