Stiftscharniere 4 mmP10 Graupner 3360 Pin diam. 4.5 mm, mainly for large models. These hinges have been developed for special applications. Ideal choice for grooved ailerons as used for TAXI CUP. Made of hi-impact plastic riveted together slop-free. The rough skin improves the grip of adhesives. The buffer plate ensures that the axis of rotation will remain correctly aligned even in the case of multi-hinge installations. Lateral claws protect the hingesagainst being twisted.