- Custom ER Straight Shank TTS3/4 ER Tool Holders
- Shank length: 1.38"
- Flange size:1.5“
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Gage length is from 10mm to 150mm
- Concentricity is less than .0001 at collet face
- Round Collet nut is included
- Rear thread: available
- Color: Oxide black
