BECK TEK LLC TEKMAT M1 Carbine Gun Cleaning Mat 12x36x1/8. The over-sized design gives you plenty of room to disassemble your firearm and to clean it without having to move parts all over. This mat comes with an overview of the history of the M1 Carbine as well as a simple to follow parts diagram that makes up your M1. Specifications for BECK TEK LLC (TEKMAT) TEKR36M1CARB M1 Carbine Gun Cleaning Mat 12"x36"x1/8": Manufacturer: TekMat Color: Black Fabric/Material: Thermoplastic Rubber Length: 36 in Dimensions: 12 x 36 x .125 in Width: 12 in Thickness: 0.125 in Additional Features: Protects Against Scratching Chipping