"MARSHALLTOWN TROWEL" BRICK TROWELBrick trowel. Size: 10"x4-3/4". Blade tempered, ground, and polished. Also used to tap the brick into place. London pattern trowels are designed for laying brick. Hardwood handle with steel ferrule securely attached. Rounded heel shapes the blade so that the mortar is carried a little further forward on the blade. Used to pick up mortar and spread it in preparation for the next course of brick, concrete block, or stone.