TapeTech Corner Box Adaptor for FHTT/XHTT Support Handles

Supplies compound to Corner Finishers for fast, efficient finishing of internal angles, and to Mud Heads to quickly and cleanly apply compound to internal and external corners. The D-Shape on the Corner Box locks into the new Support Handles and will not allow side-to-side movement during use.
Tape Tech Automatic Taping and Finishing Tools (ATF) are the Gold Standard for professional drywall finishing