Tekmat TEKR171911: The Tekmat 1911 gun cleaning mat measures 11\" x 17\" and is 1/8\" thick. The over-sized design gives you plenty of room to disassemble your handgun and to clean it without having to move parts all over. This mat comes with an overview of the history of the 1911 as well as a simple to follow parts diagram of the parts that make up your 1911.