Features:
Size: 12 * 3.8.
Material: Carbon fiber made in Japan.
Epoxy resin cover.
High gloss 3K twill finish.
Very strong and light weight.

Specifications:
Size: 12 * 3.8
Total weight: 72g / 2.5oz

Package List:
2 * Pairs of 1238 Carbon Fiber Propellers
8 * Washers