Harrows Darts This is Oblivion Steel 90% . .What. Length of body: 50 mm. The diameter is: 7.4mm. Type of tip: metal. Total weight: 25g. 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.