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. If a particular finish is required for your project, Use a down Cut or compression cut End mill for the final pass.