Starrett 434, 435 Combination Square with Center and Reversible Protractor Heads
435 Square, Center and Protractor Head
With reversible lock bolts, scriber, spirit level in both square head and protractor head, direct reading double 180º protractor scale, hardened steel, photoengraved blade.
434 Forged and Hardened Steel Square and Center Heads, Cast Iron Protractor Head
Square heads and center heads are forged, hardened steel with smooth, black enamel finish.
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WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.