Convert the original lower fabric clamp for testing the grasp buttons or larger buttons to 30 ligne and it is mainly used together with STA – 005.

Fix the garment between the jaw faces and will use with other upper grip for testing other attachments such as Patch, Side Tab, Zipper Puller etc.

This tester is used to evaluate the durability and integrity of a button after being subjected to an impact force which is more realistic than that of ASTM. It covers the measurement of impact energy absorbed by the button. A Steel ball in a pipe at a specified height is dropped on to the button.