Fiber grip cross-locking tweezers are great for holding and positioning items while soldering, the fiber handles protect your fingers from heat. Cross-locking tweezers open when squeezed and close when released, this allows them to"lock" onto the item being held The tweezers in this set have three different tips.They are uniquely shaped to hold round, oval, and square objects. Ideal for holding items such as rings when soldering. Jaws are serrated to provide a firm grip on metal. Do you need to work hands free? The tweezers can also be installed in our Third Hand. Overall length is 6.38” (16.2 cm)