Johnson 7 in. L X 10 in. H Aluminum Rafter Square LABEL MAKERS Replacement charcoal filters for use

Replacement charcoal filters for use with the BPQT

Formulated for optimum performance

PVC schedule 40 pipe and pressure fittings are use

Multiple wearing positions

Johnson 7 in. L X 10 in. H Aluminum Rafter Square LABEL MAKERS Replacement charcoal filters for useTo 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