Product Description Detailed Specs Downloads Reviews/Questions Product Description M21-18-423, BLK/WHT, 1.00" X 0.75" Detailed Specs null null null null null null null null null null MFG Part Number M21-18-423 Product Type Label Downloads Warranties Warranties Reviews/Questions The Brady M21-18-423 is also known as BRA -M2118423 or M2118423