Grizzly 145045 3-Jaw Chuck for 4-Inch Rotary Table, 3-1/4-Inch
Horizontal or vertical use. 4- 5/16-Inch t-slots. 1:72 ratio or 5° per revolution. vernier scale reads to 10 seconds. 3 dividing plates. sector arms. indexing pin/handle. mt #1 spindle bore. coolant trough. 10mm locating keys.