• Collet System : Single Angle • Collet Series: TG100 • Number of Pieces: 21 • Minimum Collet Capacity (Inch): 3/8" • Maximum Collet Capacity (Inch): 1" • 1/64" collapse per collet • 0.0005" in T.I.R. precision per DIN 6341 • 90 FT/LBS maximum tightening torque