Securitron MM15 Header Extention Brackets Models Part # Description HEB-1BK-MM15 HEB - 1" for MM15 Series, Black Finish HEB-1CL-MM15 HEB - 1" for MM15 Series #130, Clear Finish HEB-2BK-MM15 HEB - 2" for MM15 Series, Black Finish HEB-2CL-MM15 HEB - 2" for MM15 Series #130, Clear Finish HEB-3BK-MM15 HEB - 3" for MM15 Series, Black Finish HEB-3CL-MM15 HEB - 3" for MM15 Series #130, Clear Finish Patent pending and/or patent assaabloydss.com/patents Documents Securitron MM15 Accessories Catalog Page Close