In-stock profiles Unequal rabbets 16 gage steel Fire label Underwriter Laboratories(Applied or Embossed) Warnock Hersey(Applied or Embossed) Factory Mutual(Applied only) Sizes Available: Double Rabbet 4-3/4" depth / 3-1/2" throat 5-3/4" depth / 4-5/8" throat 5-3/4" depth / 4-7/8" throat
