5337 Marshalltown V Notched 3/16in Margin Trowel by Marshalltown Marshalltown V Notched 3/16″ Margin Trowel 3/16″ V notch margin trowel 5″ x 2″. Forged high grade steel. Made in the USA . Posted in More Tile & Stone Tools, Tile & Stone Tools, Trowels tagged with Marshalltown