Used to finish the exposed edge of the drywall. Extra tall ½” tear off strip acts as a guide for the taping knife as well as a protective mask for mudding.
Trim-Tex Mud Set Tear Away L Bead (Extra Masking) - Wallboard Trim & Tool
Tear Away® Drywall L-Bead
Mud Set L Bead
Trim-Tex Flat Tear Away L Bead - Wallboard Trim & Tool
Gibraltar Building Products 1/2 in. x 10 ft. Vinyl L-Trim with Tear Strip 70082 - The Home Depot
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Trim-Tex Shower Bead
Tear Away® Drywall L-Bead
here - Trim-Tex