The 336A-SD three star straight round body peek precision probe has one fine tip and one flat strong point. It is static dissipative (10 ohmssq). Peek is a high temperature thermoplastic that is inert to all common solvents and has a working temperature of 480F. The overall length is 5.5.Specs amp; FeaturesDouble Ended, Non-scratching, Application: Inert to all common solvents and has a working temperature of 480F, Quality: , Surface Resistivity : 10 ohmssq, Shape: Flat, Material: Peek, OAL: 5.5 (137.5mm), Tip Width: point-.010(2.5mm) flat-.19(4.75mm) X .015(.38mm)