Harrows Flights Feathers Harrows Darts Flights Supergrip Ultra Green 3502 Harrows Darts 3502 €1.00 Brand name Harrows. The model is Supergrip Ultra. Format: standard. What is it. Reference is 3502. . . . The product consists of 1 set of 3 Harrows Supergrip Ultra Green pens Add to cart