Our polypropylene hemostat has a variety of applications. Impervious to acid, which means it can be used for pickling, it will not stick to glues of any kind, making it great for clamping jewelry, ceramics, wood and many other materials. The serrated tips give the Plastistat super holding power without scratching, and it may be filed to the shape desired. Loop handles also allow it to be suspended into your ultrasonic. 4-7/8".