The Shot Darts Overlock 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 transition and reduced flight deflections, 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 - 7.9mm -Total Weight - 2.11gm Designed & manufactured at the Shot workshop in New Zealand. Point Thread is 2BA, Sold in a set of 3 points.