Combination Square, 12" 4R, Starrett

Starrett 12" combination square with square head
Starrett catalog number 11H-12-4R
Graduation No. 4R- 8ths, 16ths, Quick Reading 32nds, 64ths
Machine divided blade

Part Number: 1839
Weight: 1.20 lb

Price: $105.00

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The square has a reversible lock bolt, scriber, spirit level, and hardened steel, photoengraved blade with regular finish. Cast iron head with black wrinkle finish.

The blade is 1" wide and 3/32" thick.

Chris' Tips

Chris' Tips
The combination square was invented by Leroy Starrett (yes, that Starrett) in 1877. It's one of those basic tools that should be in every machinist's (and woodworker's) tool box.

Here is some information on using a combination square from Starrett.

We carry several Starrett 12" combination square sets. What's the difference? There are several features that affect the price. One is the protractor head. Squares with a reversible protractor head cost more. Another is the scale. Squares with satin chrome scales cost a little more.

WARNING: This product can expose you to lead, which is known to the State of California to cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov.

Photos

Starrett 12 inch Combination Square

Starrett 12 inch Combination Square closeup