Fiber Grip 6-1/2" Tweezers Cross Lock Self Closing Straight Jewelry Dental Tweezers are Cross Locking / Self Closing, work by reverse action. All-purpose tweezers used by Model Makers, Hobbyists, Jewelers, Electronic applications, Soldering, Watchmakers and in Craft Work. Tweezers can be used by themselves or can be attached to a Third Hand Base. Tweezers are very durable, made of Stainless Steel and have Heat Resistant Fiber Grips to protect fingers from heat build-up when using in soldering and welding operations.