7-1/4" Johnny Square® MACH-1™ Smart Mark™ Rafter Square w/Tall Profile Stair Gauge Combo
Speed meets precision with Johnson’s new Johnny Square® MACH-1™ rafter square with level vial – a must have tool engineered for professionals' providing exceptional durability, versatility and accuracy. Our innovative Smart Mark™ Cutout delivers speed and accuracy with its easily identifiable markings, cutouts and notches for layout, scribing and marking cuts. Marking spaces are positioned to layout 1X, 2X, 4X and 6X lumber in widths from 1" to 6" as well as LVL's. Additional slots are positioned to mark 22.5, 30, 45 and 60 degree angle cuts. V-notches are located at each roof pitch to help accurately align your pencil when marking common top cuts. Scribe notches for ripping lumber are positioned every 1/8". Hi-visibility EZ-Read™ graduations and numbers are laser etched deep into the surface to resistant fading, scratching or deterioration, providing long-lasting results even under tough and demanding work conditions. Paired with the included tall stair gauges, provides a secure grip on irregular lumber and waning boards. The stair gauges attach seamlessly to most framing squares and can be used with circular saws as a rip guide or for angle cuts. Ideal for repeat angles, they ensure consistent, precise layouts for stairs, rafters, and stringers.
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Innovative Smart Mark™ Cutout – faster, easier, more accurate marks at critical dimensions
1.25" tall profile stair gauges ensure a stable and strong hold, even on irregular or round lumber edges and waning boards
Easily identifiable markings, cutouts, and notches for layout, scribing and marking cuts: 1-1/2", 3" and 4-1/2" mark stud or joist layouts; 1-3/4" and 3-1/2" mark LVL layouts; 3-1/2" and 5-1/2" mark 2x4 and 2x6 flat studs and blocking or 4x4 and 6x6 posts; 1/2", 3/4", 1-1/2" and 1-3/4" for scribing rip cuts and marking flat studs and blocking
22.5°, 30°, 45° and 60° slots for marking out commonly used angles
Built-in level vial with 320° of visibility indicates level and plumb, and measures angle or roof pitch on existing structures, replacing a torpedo level in many applications
1" wide heel stays seated on split and irregular materials
Limited heel height minimizes weight and bulk in your tool belt
Ruler marks in 1/16" graduations on the bottom and sides of the heel increase versatility and efficiency
Scribe notches in 1/8" increments
V-notches at roof pitches for greater speed and accuracy when marking top cuts
Hi-visibility EZ-Read™ 1/16" graduations and numbers are laser etched deep into the surface for greater durability
Matte black anodized coating reduces glare
7-1/4" frame height can mark and measure the full width of 2x8 material
1904-0700V-SGP Includes > Johnny Square MACH-1 (1904-0700V) and Tall Profile Stair Gauges (405-PLUS)
| Accuracy: | 0.001 in/ft or 1mm/m |
|---|---|
| Warranty: | Limited Lifetime Warranty |
Whether you're framing, marking, or making precise cuts, Johnson’s Johnny Square® MACH-1™ 7-1/4” rafter square with level vial delivers reliability and accuracy in one compact design. Simplify layout using our innovative Smart Mark™ Cutout for fast, easy and accurate marks at critical dimensions and angles. This square can be used as a saw guide for crosscuts, scribe for marking rip cuts and as a protractor for marking angle cuts. The common rafter conversion table for inch rise per foot eliminates the need for complex math, saving time and reducing errors by easily converting vertical rise of a roof to the roof’s pitch angle. Paired with our tall profile stair gauges simplifying marking and measuring stair treads and risers. Carpenters, roofers, builders, contractors, woodworkers and metal fabrications rely on rafter squares as an essential tool to provide precise measurements and exact angles for a wide range of framing and construction projects.
Johnson Level Rapid Response Center for Repair and Service
Contact customer service at service@johnsonlevel.com or call 888-953-8357 from M-F 7am-5pm CT.
Other Resources
How to Read a Rafter Angle Square
How to Use a Rafter Angle Square
Using a Rafter Angle Square for Roof Pitch
Using a Rafter Angle Square for Rafters
How to Cut Rafters with a Rafter Angle Square
Product Details
Speed meets precision with Johnson’s new Johnny Square® MACH-1™ rafter square with level vial – a must have tool engineered for professionals' providing exceptional durability, versatility and accuracy. Our innovative Smart Mark™ Cutout delivers speed and accuracy with its easily identifiable markings, cutouts and notches for layout, scribing and marking cuts. Marking spaces are positioned to layout 1X, 2X, 4X and 6X lumber in widths from 1" to 6" as well as LVL's. Additional slots are positioned to mark 22.5, 30, 45 and 60 degree angle cuts. V-notches are located at each roof pitch to help accurately align your pencil when marking common top cuts. Scribe notches for ripping lumber are positioned every 1/8". Hi-visibility EZ-Read™ graduations and numbers are laser etched deep into the surface to resistant fading, scratching or deterioration, providing long-lasting results even under tough and demanding work conditions. Paired with the included tall stair gauges, provides a secure grip on irregular lumber and waning boards. The stair gauges attach seamlessly to most framing squares and can be used with circular saws as a rip guide or for angle cuts. Ideal for repeat angles, they ensure consistent, precise layouts for stairs, rafters, and stringers.
1904-0700V-SGP Includes > Johnny Square MACH-1 (1904-0700V) and Tall Profile Stair Gauges (405-PLUS)
Specifications
| Accuracy: | 0.001 in/ft or 1mm/m |
|---|---|
| Warranty: | Limited Lifetime Warranty |
Application
Whether you're framing, marking, or making precise cuts, Johnson’s Johnny Square® MACH-1™ 7-1/4” rafter square with level vial delivers reliability and accuracy in one compact design. Simplify layout using our innovative Smart Mark™ Cutout for fast, easy and accurate marks at critical dimensions and angles. This square can be used as a saw guide for crosscuts, scribe for marking rip cuts and as a protractor for marking angle cuts. The common rafter conversion table for inch rise per foot eliminates the need for complex math, saving time and reducing errors by easily converting vertical rise of a roof to the roof’s pitch angle. Paired with our tall profile stair gauges simplifying marking and measuring stair treads and risers. Carpenters, roofers, builders, contractors, woodworkers and metal fabrications rely on rafter squares as an essential tool to provide precise measurements and exact angles for a wide range of framing and construction projects.
Support
Johnson Level Rapid Response Center for Repair and Service
Contact customer service at service@johnsonlevel.com or call 888-953-8357 from M-F 7am-5pm CT.
Other Resources
How to Read a Rafter Angle Square
How to Use a Rafter Angle Square
Using a Rafter Angle Square for Roof Pitch
Using a Rafter Angle Square for Rafters
How to Cut Rafters with a Rafter Angle Square
