Goldblatt 2 Piece Drywall Corner Tool Set, 5” Outside Corner Knife & 3-1/2” In
Goldblatt 2 Piece Drywall Corner Tool Set, 5″ Outside Corner Knife & 3-1/2″ Inside Corner Knife, with Soft Grip Handle – Stainless Steel Sheetrock External Corner Trowel & Internal Corner Trowel. Professional Blade Angle Design: External trowel blade less than 90° and internal greater than 90°, with nice elasticity for a precise fit on corners.