Swanson® The Big 12® Speed® Square With Layout Bar Plastic Sheeting It is a concentrated source

It is a concentrated source of energy

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ethanol blends up to E15

100%ÊsiliconeÊandÊ100% weatherproofÊsealant ideal for protecting areas susceptible toÊharsh weather

Swanson® The Big 12® Speed® Square With Layout Bar Plastic Sheeting It is a concentrated sourceThe 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