Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product. Harrows Sonic Dart Flights – Slim Shape – 100 MicronHarrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.Harrows Sonic 100 Micron Extra Strong Dart Flights. Produced using a 100 micron, metallic laminate coupled with state of the art print techniques, to offer a tough but contemporary product.