SHAD TR37 TERRA TOP CASE The TR37 top case is designed, engineered and made 100% in Barcelona. Made from hardened aluminium alloy, a stronger and lighter type of aluminium which allows a reduced cross section of 1.2mm to obtain a minimum weight with maximum resistance. AISI 304 stainless steel hinges. Includes the patented (pending) “TERRA Lock System”. With an AISI 304 industrial grade stainless steel structure and includes the lock mechanism and a retractable carrying handle. Designed for quick use with one hand which allows the user to open, close, mount and remove the case in just a few seconds. The keys and lock cylinder of the TR37 Keys are the new premium version from SHAD, with a system that reduces the chance of theft. And a cover that stops dust from entering.