T-Handle - Provides a firm grip and achieves large torque. The square head is processed and formed by milling machine, and the raw material strength is retained. It is firm and stable. 4. T-handle design provides a firm grip and achieves large torque. 5. Used for CNC Router Engraving Milling Machine Lathe Chucks. We offer a large selection of towing and auto transport car hauler , supplies, accessories and equipment including OEM for Cottrell and Jerr-dan uxcell Lathe Chuck Wrench, 12mm Square Head Key Spanner Tool for CNC... uxcell 1.8mm Pitch Dual Wheel Slant Teeth Knurling Tool for Metal Lathe Product Details The embossed design in the middle of the hand-held rod prevents slipping after being strongly pressed in, it is firm and stable 1. Made of carbon steel material with quenching process, high hardness and durable to use. 2. Black oxidized treatment for corrosion resistance. 3. The middle of the rod has an embossing design. After being pressed to lock, the rod will not fall off. Design - The embossed design in the middle of the hand-held rod prevents slipping after being strongly pressed in, it is firm and stable. Cnc Milling Machine Uxcell Lathe Chuck Wrench, 17mm Square Head Key Spanner Tool For CNC Chuck Key