TapePro Mud Box Pro Banjo Auto TaperThe Tapepro Mud Box Pro is an innovative improvement on the original model, the WMB L Mud Box. This tool fills the void between an automatic taper and a banjo but has the functional features of the automatic taper. The easiest taping tool to learn to use and also the easiest to clean, the Mud Box Pro simultaneously applies paper tape and joint compound to flat and internal angle joints. It can be used with 75 or 150m rolls of paper tape and can be