<https://www.dartsonline.com.au/products/supergrip-ultra-steel-tip-darts-90-tungsten-30-grams#product>
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"Harrows Supergrip UltraFirst released in 2008, Supergrip has become one of the most popular ranges in the world. Now it is time to welcome the second generation, Supergrip Ultra. Manufactured using the finest 90% tungsten. Front tapered barrel design. A unique combination of deep single and dual rings along the length of the barrel, resulting in the world renowned ‘Supergrip’ grip. Finished with a durable black coating, then re-cut to leave a stunning two-tone finish. Supergrip Ultra darts are supplied with Silver Supergrip Carbon shafts and new 100 micron Supergrip Ultra flights. Match weighed to +/- 0.05g.Dart SpecificationsDart Weight: 30 Grams Tungsten Percentage: 90%Dart Tip: Steel TipDart Barrel Dimensions: 54mm x 7.0mmShaft Thread: 2BAWhat&#39;s In The Box?3 x Supergrip Ultra Dart Barrels3 x Supergrip Ultra Flights3 x Supergrip Carbon Shafts"
<https://www.dartsonline.com.au/products/supergrip-ultra-steel-tip-darts-90-tungsten-30-grams>