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. -Thread Specs - 4.25mm -Conversion Nut Specs - 9.8mm -Total Weight - 2.23gm Designed & manufactured at the Shot workshop in New Zealand. Point Thread is 2BA, Sold in a set of 3 points.