ALORIS DA TOOL POST QUICK CHANGE 17-48 SWING USA. Super precision tool post #DA. For swing 17-48 (defined as the diameter that can be turned over the bed). Quickly and easily installed on any engine lathe, bench or CNC lathe, for a wide range of operations - from fine precision work to heavy duty cutting. Slash your setup time- instant changing from one operation to another! Completely sealed for maintenance free operation! Precision engineered to assure repetitive accuracy. Advanced design provides built-in quick tool changing versatility with positive rigidity to meet the most ...