Swanson® The Big 12® Speed® Square With Layout Bar Clayton Engineering Protective Coating For Use Over

Protective Coating For Use Over Bare Concrete Or Over 1 Part Floor Paint

Rubber tread can be replaced when necessary

Knobs are keyed alike in multiples of 4

Dry To the Touch*: 30 minute - 4 hour

For more than 45 years

Swanson® The Big 12® Speed® Square With Layout Bar Clayton Engineering Protective Coating For Use OverThe Big 12 is seven tools in one: a framing square, try square, miter square, protractor, saw guide, stair gauge and out of square corner angle finder. Its constructed of heavy gauge aluminum alloy and includes the Layout Bar for use in determining out of square corners. Also included are the Swanson Blue Book for roof and stairway layout and Layout Bar with hardware. See how to LAY OUT STAIRS See how to fix OUT OF SQUARE CORNERS Features Heavy gauge