[scope of application] It is applicable to textile products and fabrics made of down and feathers. When making the anti-drill test, the thickness of the sample bag of the fabric sample is tested. [meet a criterion] GB/T 12705-2024 [Instrument Characteristics] 1.Percentage gauge thickness, digital display, convenient to record data. 2.Aluminum alloy material is beautiful and durable. 3.Aluminum alloy press feet are used to ensure the accuracy and repeatability of testing.