Replacement punching drill for Carl HD-410 and HD410N punch CARL (K-410)Punching Blade for Carl punch HD-410, HD-410N (Replacement Part only) High quality, heavy duty blade for CARL heavy duty 2 hole punchHD-410, HD-410N replacement drill punch blade Features high quality, sturdy metal construction for high capacity drilling, fully adjustable Ideal for heavy duty and high capacity punching or drilling – suitable for factory or office use. Style: Replacement Punching Blade – Male Die for HD-410, HD-410N