Delko Drywall Banjo Taper & Internal Applicator ComboThe Delko Plastic Taping Tool and Internal Corner Attachment Package enables contractors to finish flat joints, internal corners and square set with one taping tool. The package includes the Delko Plastic Taping Tool and the Delko Internal Applicator Attachment. Product Features Simultaneously apply compound and drywall tape to flat joints and internal corners Fast, easy and economical drywall taping Get the patented Delko Internal Corner Attachment