Product details:
Round Punch for Model 75006 Hole Puncher.Material:Thickness: 5/64 (.078) to 1/8 (.125) 14 to 11 GA >1/8 (.125) to 1/4 (.250) 10 to 3 GA >1/4 (.250) to 3/8 (.375) >3/8 (.375) to 1/2 (.500)Style: Flat bar, H-Steel & AngleThickness: 5/16 (.312) Max. >5/16 (.312) to 1/2 (.500)Style: ChannelMade in USA! $75 minimum order Hougen Products