3M Manual Applicator 400M, 1/case (for 400 mL Sausage Packs)
- Applies an even layer of mud to inside corners for quick and clean installation of paper-faced corner bead.
- This is NOT an inside corner finisher. It is for applying mud for corner bead installation..
- Attaches via spring clip to all brands of Angle Box, Mudrunner, TapeTech Mud Tubes and Columbia Compound Tubes.
- Heavy-duty plastic construction reduces weight and friction, and promotes smooth application.
- Works with nearly all shapes of inside paper-faced corner bead.