Product Description Detailed Specs Downloads Reviews/Questions Product Description M21-137-423, BLK/WHT, 2.00" X 0.75" Detailed Specs null null null null null null null null null null MFG Part Number M21-137-423 Product Type Label Downloads Warranties Warranties Reviews/Questions The Brady M21-137-423 is also known as BRA -M21137423 or M21137423