Features: The tweezer can be widely applied to PCB, repairing of watches, crafts, jewelry, electronics, laboratory work and so on. Precision tweezers set are made of durable stainless steel with anti-static tips and resistant to most acid and other corrosive substances. Good strength and hardness,safe,convenient,durable and long-term use; Suitable for craft,electronics,home use, soldering, hobbies, mechanics, laboratory work and more; One set of 6 different specifications and configurations to fit all purposes you need. Specifications: Handle Material: Alloy Steel Tip Material: High-Carbon Steel Color:Black Hardness:HRC40° Type:ESD10,ESD11,ESD12,ESD13,ESD14,ESD15; ESD10 Size:Approx.124x11mm/4.88x0.43in ESD11 Size:Approx.140x8mm/5.51x0.31in ESD12 Size:Approx.135x10mm/5.31x0.39in ESD13 Size:Approx.121x10mm/4.76x0.39in ESD14 Size:Approx.121x10mm/4.76x0.39in ESD15 Size:Approx.121x10mm/4.76x0.39in Package Includes: 6x Tweezers note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.