Qty. 1, Guhring DIN 376, M12x1.75 Solid Carbide, Oil Hole Tap, Radial Coolant Hole. 4.33” OAL. For production tapping of blind holes in cast and ductile irons, and non ferrous alloys. Made in Germany. Price is for one tap. Multiple pieces available. See my store for more taps, carbide inserts and other cutting tools. Make me an offer on multiple items. Shipped USPS First Class Package