1、Fine Workmanship: Forged in vacuum quenching furnace to achieve carbon and oxygen co infiltration, increase hardness and enhance service life.<br> 2、Centre Hole Design: The central through hole design can facilitate water cooling, effectively suppress vibration and increase shock resistance.<br> 3、Universal Using: A square tool holder that can be used to hold tools of various diameters, which has good versatility and reduces processing costs.<br> 4、Great Material: Made of premium 20CrMnTi, not easy to deform, also has excellent durability for long term use.<br> 5、Easy to Carry: The box will largely simplify the storage and carrying as well, and the installation is very easy.<br> 1 x Auxiliary Tool Holder1 x Storage Box<br> Item Type: Auxiliary Tool HolderProduct Material: 20CrMnTiProduct Model: TB20 20-ER20ASquare Size: Approx. 20 x 20mm /<br> 0.8 x<br> 0.8inProduct Length: Approx. 132mm /<br> 5.2inApplication: Suitable for ER 20<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store