Harrows Darts This is Oblivion Steel 90% 23g . .What. Length of body: 50 mm. The diameter is: 7.1mm. Type of tip: metal. Total weight: 23 grams. Brand name: Harrows Darts . . . The product consists of:. one set of three metal tip bodies. One set of three canes Supergrip Fusion Jade Midi. One set of three Harrows Prime pens. one plastic case.