High quality darts made by Harrows darts, Spina Black model, darts with a separate total barrel with ring grips with different types of separations, part of the barrel with inverted shark grip system, the finish of the darts is black and with blue rings, darts with titanite. Length: 49 mm, diameter: 7 mm, body weight: 23 g with weight accuracy +-0. 05 Total weight: 25 g tungsten content: 90% dart set with metal tip. The dart set consists of 1 set of Harrows Spina, 1 set of 3 Supergrip shafts, 1 set of 3 springs.