Product Description:

• Self-tightening  key-less feature automatically increasing gripping force, high reliability, and stability.
• Special quenching treated key parts increases durability.
• Suitable for drill presses or lathes spindle accepts 3/4" Straight Shank.

Product Features:

• Clamping Range: 3/16" - 3/4".
• 3/4" Straight Shank Arbor included.
• JT3 Mount.
• Accuracy: 0.005"