Xtreme Precision Black Knurled 1/2-28 x .710 OD x 5/8 long Thread Protector Please see our 1/2-28 Black Fluted THD Protector, we have more in stock of those Fluted Pix attached, CNC Machined Steel, Manganese Phosphate (Parkerized) Buy 10 and get 20% Off.. We Usually Ship Same Day, No more than 2 or 3 Days