Max. punching thickness is 1.97′′(50mm) (500 sheets of 75gsm paper) The punching diameter is 0.12′′-0.32′′(3-8mm), with adjustable margins, and hollow drill punching. With hole setting, and automatic centering. Built-in safety device. Have the international standard 5-level adjustable distance. The punching depth can be adjusted to prevent the drill nozzle from too fast wear. The base is removable, more efficient, and time-saving than the multi-hole puncher.
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