Narrow London Trowels | Brick Trowels | Brick The early years were spent making cavalry sabers and officer swords for the U., S. army during the War of 1812 and the Civil War. Rose in 1798 as a blacksmith shop near Philadelphia. Bricklaying Trowels Narrow London Brick Trowel - ProForm, Plastic, Leather Handle - W.Rose W Rose Trowel Description Hand polished, diamond heel blade perfect for brick and general masonry The trowels that helped build America are still made in the USA. Product Description William Rose established the W. Bon Tool 9-1/2 in. x 4-1/4 in. Narrow London Pro Carbon Steel Brick Narrow London diamond-heeled blade carries mortar away from the handle and easily spreads mortar for projects such as veneering