BECK TEK LLC TEKMAT Beretta PX4 Storm Handgun Cleaning Mat 11x. 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 Beretta px4 as well as a simple to follow parts diagram of the parts that make up your px4. Specifications for BECK TEK LLC (TEKMAT) TEKR17BERPX4 Beretta PX4 Storm Handgun Cleaning Mat 11"x: Manufacturer: TekMat Color: Black Fabric/Material: Thermoplastic Rubber Gun Type: Handgun Length: 17 in Dimensions: 11 x 17 x .125 in Width: 11 in Thickness: 0.125 in Additional Features: Protects Against Scratching Chipping