Last items in stock One80 Punta Acero Dart One80 It's called Black J 21 01 Steel Tip 90% 21gr 7784 One80 7784 €57.92 The game of darts One80 Black J 21 01 consists of 1 set of 3 bodies, 1 set of 3 rods, 1 set of 3 feathers and 3 steel tips. .What. Barrel size:. Max length 50.5mm. Maximum width 6.35mm. ninety percent of it . Full weight 21 grams Add to cart