Best Square Rule

Starrett Combination Set with Square Center and Reversible Protractor Head and Blade - 300mm Blade Length Forged and Hardened Steel 35 Graduation Type - C434M-300

Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....

Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....

Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....

Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....

Nice craftsmanship: our machinist square has bright surface color and smooth base surface, as well as quality material.
Without trace, it will let you have a nice and comfortable use experience.
Proper size:this machinist square rule is 5 inches in whole length, bottom length is 3.2 inches.
The proper size will ensure the accuracy of the measurement data, also allow you to hold the rule easily and firmly.
Safe and reliable: this precision square tool use rivet links design, so it will not endanger your safety.
Besides, its chassis is heavy, upright and stable, as well as not inclined, so the measurement data is more accurate and easy to read.
Nice work performance: the testing machinist square can be applied to various engineering measurements, it can accurately measure the vertical deviation of internal and external angles.
The accurate 90 degree angle has no difference, assuring the measurement data correct without error.
Easy to identify: machinist steel square is engraved with dimensions and clear numbers, so you can quickly identify the data, which ensures that you can easily measure each right angle.

✎PRECISION MEASURING: The pocket ruler are wide and the slide square enough to the rule to make for accurate measurements on any drafting, The woodworking ruler are very handy for accurately placing cutting, The adjustable sliding mechanism locks down nice and tightly and allows you to make an easy measurement on the surface, The two thumb screws keep the slide secured and don't tend to loosen during use.
✎THICK AND DURABLE: The straight edge metal procket rulers is made of top aluminum alloy, The measuring ruler are not flexible, 1" wide, 5/32" thick, and have a nice black matte finish on them, machining, lettering and finish are excellent, good for marking, scribing lines.
✎CLEAR SCALE: The woodworking rulers are easy to read, and work very smoothly, pocket size, both inch and metric, laser etched, permanent grooves that will never fade.
✎VERTICAL SCALE & NOTCH: You can use the end vertical scale 1/4-3/4 inch to measure the height of your table router bit, or your table saw blade, There's a small notch in the end for a pencil to keep it in place while dragging the rule to make an alignment ....