●✪Material: Thread convert 5/8x24 made of aluminum alloy with uniform black oxide finish,more durable and harder. ●✪Model: Thread adapter 1/2-28 convert to 5/8-24. ●✪Package: Comes with 2 knurl thread adapters and 2 rubber washers. ●✪Easy to install: Just remove the worn-out part to replace the new one with tool. ●✪After-sales service: If there are any quality problems with our thread adapter, please feel free to contact us, well reply you within 24 hours, and offer you the best solution.