Laminar Aerotec bugwiper spring. For left bugwiper with spring BOTTOM/LOW, and right bugwiper with spring TOP/UP.
![IMI Power-Rigger single seater (electric One Man Rigging System) [PROMRS-1S]](images/IMI_Power_Rigger_single_electric_One_Man_System_PROMRS-1S_a.jpg "IMI Power-Rigger single seater (electric One Man Rigging System) [PROMRS-1S]")
