1/32" to 5/8" Super Heavy Duty Drill Press Chuck Self Tighten JT33 Mount

Clamping Range: 1/32" - 5/8". JT 33 Mount. Accuracy: 0.005" Heavy Duty design. Item Weight 4 pounds Product Dimensions 5 x 3 x 3 inches Photo #43 shows the compassion with the regular drill chuck.