Johnson 7 in. L X 10 in. H Aluminum Rafter Square PROTECTANT The compact digital counter slides

The compact digital counter slides onto the CO2 ca

Engineered to form a 24 inch cone pattern that fac

Provides decorative accent for interior and exteri

Floor flange for securing pipe to the floor

Material: acrylic

Johnson 7 in. L X 10 in. H Aluminum Rafter Square PROTECTANT The compact digital counter slidesTo develop one of the world's best rafter squares, Johnson first had to engineer the EZ Read finish, its revolutionary anti glare protective coating that diffracts sunlight rather than reflecting it, so it looks as crisp in full sun as it does in the shade. The EZ Read finish also increases friction to better secure your square against your lumber when using it as a saw guide. The Johnny Square is highly durable and accurate. Its solid aluminum body