TBC TROWEL: Professional Notched Margin Trowel 3-Sides Notched 3/16" X 5/32" V-Notch Trowel Tempered Steel Blade, Ground & Polished. Blade Size 5" X 2". For Professional and Home Use. Right or Left Handed Trowel NOTCHED MARGIN TROWEL: 3/16" X 5/32 V-NOTCH 3 SIDED NOTCHED TROWEL