SmartPro Engraving System Universal Collet 2.5mm- 5 Piece Set + Wrench pepe plating and rock-solid stability—ideal for high-precision

and rock-solid stability—ideal for high-precision engraving and stone setting on knife components

High surface quality

Tungsten (non-radioactive) Electrodes

and drastically minimizing torque while maximizing the downward pressure of the screw

SmartPro Engraving System Universal Collet 2.5mm- 5 Piece Set + Wrench pepe plating and rock-solid stability—ideal for high-precisionAir Do Universal Collets (2. 5 mm) are precision engineered collets designed for secure and reliable graver holding in pneumatic engraving systems. Optimised for use with Air Do handpieces featuring the SPH3 inner shaft, these collets provide excellent concentricity, stability, and control during fine and detailed engraving work. Designed to accept 2. 5 mm gravers, these collets may also be suitable for use with other engraving handpieces on the