Ruthless Scallop 80% Steel Tip Tungsten Darts. Features: 80% Tungsten, Durable Nylon Shafts, Ruthless Flights. Ruthless Scallop Darts – Steel Tip – Twin Knurl – Black & Red – 21g – Ruthless natural silver darts offer great value and longevity, these are a great starter set and simply need to be matched with your favourite stems and flights.