we are manufacture for solid carbide tools, special for wood tools, plastic tools, including router bit,spiral bit, up/down bit, compression bits, profile bit, provide stable quality, delivery in time. This ZRN coated end mill has a 1/8" cutting diameter x 1-1/4" cutting length. The overall length is 2-1/2" with a 1/4" shank. Up cut end mills are great for all standard milling and material removal. With the added ZRN coating, the bit's lifespan and durability are increased substantially avoiding unnecessary down time. These bits pull the wood chips up and away from the tool path which helps prevent tool breakage and extends the life of the bit.