12" CONTRACTOR ALUM. RAFTER SQUARE W/MANUAL

As a saw guide stair layout tool or rafter tool Johnson s 12 rafter square will help you get the job done accurately and easily. Its solid aluminum body construction with CNC machined edges provide greater accuracy and durability while the low-glare protective powder-coated finish makes the permanent graduations and numbers easy to read. This square also features scribe notches starting at 1-3/4 that are useful when transferring outside increments from the pivot point.