Sonnet High-End Carbide End Mill Cutter. 1 1/4 x 1-1/4 x 5 1/2. You get all 2 of these bad boys for one price. Carbide strip goes all the way down the the EM Lead (at least for the cutting portion).
Please Check out my other machinist tool/items/end mills. We bought off a big and reputable shop that went out of business.