The flexible shaft is made of premium material, sturdy and durable. The 6mm flexible shaft is easy to install and use. With good flexibility, the electric grinder shaft helps you do the grinding work much faster and easier. The flexible shaft is widely used in drilling, engraving, milling and grinding work. Fine engraving, the flexible shaft of the drill chuck cannot be used for high-strength grinding and polishing, the blade diameter cannot exceed 8mm. Features: 1. Made of premium material, sturdy and durable. 2. Easy to install and convenient to use. 3. With good flexibility, it helps you do the grinding job much faster and easier. 4. Widely used in drilling, engraving, milling and grinding work. 5. Fine engraving, it cannot be used for high-strength grinding and polishing, the blade diameter cannot exceed 8mm. Specification: Item type: 6mm drill chuck flexible shaft Material: stainless steel Applicable for: electric grinder with three-jaw chuck, electric drill. Packing: opp bag Flexible rod length: 1.05m/41.3inch Chuck thread size: 8*0.75mm Shaft diameter input clamping: 6mm Output clamping can be replaced: 3.2mm (maximum), flex shaft comes with 3.0mm core Package List: 1 * Flexible Shaft Note: 1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding. 2. When connecting the machine and before switching on the machine, always hold the handle of the flexible shaft, otherwise the flexible shaft could be violently shaken and cause injury. 3. Do not bend the hose excessively. 4. The flexible shaft is a detail polisher, the diameter of the grinding head or blade should not exceed 8mm, and the machine should be operated at the lowest level.