The 5-TA four star tapered extra fine precision pointed Forcepss is designed for work under magnification. The overall length is 4.5 and its made a titanium alloy the is heat resistant to 806 F. It is also very light and has high resistance to most acids. It has zero magnetic retentively and solder will not stick to it.Specs amp; FeaturesUltra Fine Points, Heat Resistant (806F), Application: Ultimate tweezers for high power microscopy featuring extremely tapered tips for excellent visibility. - Solder will not adhere to tool - Light weight , Quality: , Surface Resistivity : Conductive, Shape: Straight Tapered , Material: Titanium Alloy, OAL: 4.25 (106.25mm), Body Width: .375 (9.38mm), Body Height: .06 (1.5mm), Tip Width: .003 (.08mm), Tip Height: .015 (.38mm)