Closed at rest and require finger pressure to open. The light tension is great for holding parts for extended periods without added finger strain. Pressure on object determined by forceps, not operator. Tip Style: Straight, Very Fine Made of antimagnetic stainless steel. Corrosion-resistant. Autoclavable. Product Conforms to ISO 9001, CE-Quality Mark, ISO 13485, FDA and other Quality Standards For Use With (Application): Dissection, research, laboratories, small-parts handling. Overall length is 4.25 in., L: 4.25 in. (110mm); W: 0.393 in. (10mm); H: 0.05 in. (1mm)