... Type ER Wrench Hand Tool1.Three ER Wrench Hand Tool: type A, type M, type UM.2.Using ... ER40UM-BS, ER50UM-BS.6.ER M type hand tool: ER8M-BS, ER11M-BS, ER16M-BS, ER20M-BS, ... end mills, carbide inserts, carbide rod, drill, reamer, tool holder, tool heads, chuck, collet, nut, etc.If you are ... interested in our products, please feel free to contact me, ...