For TTS 3/4" Straight Shank ER16 Collet Chuck Tool Holder Specification Length 1.38. Tool holder: 3/4 ER16 1.38 for TTS. 1 3/4 ER16 1.38 for TTS Tool Holder. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay