Both the outer support and the inner clip can be used, safe and stable. Aluminum alloy large flat claw, suitable for wooden bowls, plates and other items with specially designed large diameter clamping jaws, clamping range of 5-23 centimeters, standard with 8 fixed silicone wrapped screws, clamping without damaging the workpiece. The of the disc has undergone oxidation treatment, which has advantages such as resistance and wear resistance. This aluminum alloy flat claw is only suitable for ordinary chucks. Quick change chucks require the purchase of a transition module., Weight: 2.73152742618 Pounds, Manufacturer: Yangyou