This is a set of 4 12x4.5 plastic Slow Flyer propellers, one normal
and one pusher (reverse). Each set comes with
relevant accessories for mounting to different shaft sizes.
1. Description:- Chrome Steel Bearing (1.5x4x1.2mm) is a popular item that could be used in many applications.- Material: Chrome Steel.* Inner Diameter (ID): 1.5mm* Outer Diameter (OD): 4mm* Thi