The bolt seals available from Brooks are high security products Brooks has sustained its 130 year-old market leadership position through innovation, research and the manufacture of security locking devices to the transportation, retail, money handling and utility industries. Brooks' mission is committed to producing competitively priced, high quality bolt seals and security products. We do so in a climate of excellence and in accordance with sound business practices and high ethical standards. Our broad product line offers more choices of bolt seals than the competition.