M.R. Enterprises is the manufacturer and supplier of Frame Fixing Unit. M.R. Enterprises is an ISO 9001:2000 certified company. Frame Fixing Unit is available in various size and hole diameters. These Frame Fixing Units are pin drive anchor with a body formed from engineering nylon and nails and are available in carbon and stainless steel. It can be used in fixing timber or metal window and door frame to concrete, block or brick.