Johnson 400EM 12" Inch/Metric Stainless Steel Combination Square
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- Auto-Lock™ blade assembly
- Stainless steel blade with permanently stamped graduations 1/8”, 1/16”, 1/32”, mm
- Heavy duty cast zinc head with black, chip resistant e-coating finish
- CNC machined square head for greater accuracy
- Hardened, screw-in scriber won't fall out