Thread Specs - 4.25mm Conversion Nut Specs - 9.8mm Total Weight - 2.25gm The Shot Darts Crown conversion points will transform soft tip darts for steel tip dartboard use with ease. These screw-in dart points improve aerodynamics and are specifically designed for a seamless grip extension, made from tough stainless steel. Added Rubber O rings provide an ultra-secure fit of the conversion point to dart thread. Designed manufactured at the Shot workshop in New Zealand. Point Thread is 2BA, Sold in a set of 3 points.