The Jo Mfg Jo-Line CLAWSON Adjustable Angle Corner Drill is a vintage original hand drill made in the United States by Clawson. This unique eggbeater-style drill is adjustable for precise corner drilling without the need for modifications. A collectible piece for carpentry and woodworking enthusiasts, this tool showcases quality craftsmanship and attention to detail. THIS WAS JUST A REALLY COOL ITEM.I PICKED UP AT AN ESTATE SALE.I DO NOT KNOW MUCH ABOUT IT.HOWEVER, I ENCOURAGE YOU TO LOOK AT THE PHOTOS CLOSELY AS PART OF THE DESCRIPTION AND CONDITION.I WILL GIVE SHIPPING DISCOUNTS ON MULTIPLE ORDERS IN THE THEME TRANSACTION TWO.I WILL ANSWER QUESTIONS AS BEST AS I CAN.BUT I DO NOT KNOW ANYTHING ABOUT THIS.SO BUY IT OWN RISK