Johnson 1904-0700V 7-1/4" Mach-1 Johnny Square Rafter Square with Level Vial OPE Pole Saw A thin kerf design provides

A thin kerf design provides faster cutting performance

414-ml cartridges

do it all while commanding ultimate jobsite visibility with the FLEX Work Light

Rubber Joint Construction suppresses transmission of vibration to battery

Variable speed trigger increases user control

Johnson 1904-0700V 7-1/4" Mach-1 Johnny Square Rafter Square with Level Vial OPE Pole Saw A thin kerf design providesThe Johnson 1904 0700V Mach 1 Johnny Square represents the pinnacle of rafter square evolution, merging extreme precision with on site versatility. Engineered for professional framing carpenters and demanding trade professionals, this 7 1 4" solid aluminum square features an integrated, high visibility 320 degree level vial that allows it to double as a torpedo level for checking plumb and pitch. Its CNC machined edges ensure surgical accuracy to 0.