are NOT stainless steel shafts. They are some poor quality. It won't even stick to a magnet. One bent during installation. 2 out of 4 had to be sanded and sanded to allow the bushing to go through the eyelet and then sit properly on the base.
Pros
This kit includes 4 gears (high strength plastic), 4 stainless steel shafts and 8 retaining rings. For easy installation, the assembly tool kit includes a special snap ring tool for easy insertion and removal of the snap rings holding the propellers and gea