Profile: American Casting Mfg. specializes in designing and manufacturing high security and tamper evident metal, plastic and adhesive security seals. Our line of high quality, tamper-evident plastic strap security seals are offered in a variety of lengths and breaking strengths to match specific security needs. This includes adjustable length seals, beaded pull-tight seals and fixed length seals. For additional convenience, there are options to order custom colors, printing and barcoding. Our line of affordable security cable seals are available in cable lengths ranging from 6 inches to 72 inches and cable diameters ranging from 1.5mm to 4mm. Choose from adjustable, adjustable barcoded, or fixed length cable seals, all in which come in a variety of colors to meet the specific security needs.