Greenlee ball bearing knockout punch. Made in USA with made in USA bearing. 1/2" IPS, 7/8" diameter, for 1/2" conduit or other uses as needed. Used, in very good condition. Please ask questions before bidding as this is a no refund, no return, auction. Shipping by USPS First Class Mail for .75 paid by the winning bidder. Thanks for looking, and good luck with your bid.