Inquiry (采购产品): wall chart Hi Ihave been using your keylocking thread repair inserts for about 15 years now and they are the best. Do you offer a tap and drill chart for installation and removable. many people have no clue on what sizes to use. Thanks **** Hidden Message ***** DeWayne Boggs 47371 Company: Hillwomp welding E-mail: ihcboggs@jayco.net **** Hidden Message ***** ihcboggs@jayco.net