Knife bolt C42 (Aileron flap, lower rudder and inboard elevator fitment) M6x45mm

Knife bolt C42 (Aileron flap, lower rudder and inboard elevator fitment) M6x45mm. Series knife bolt- mates with ZK-0003. 3 fitted to each aileron, 2 fitted to each flap 1 fitted to lower rudder and 1 to each inboard elevator end