NET
2 At that time the Lord told Joshua, “Make flint knives and circumcise the Israelites once again.”
Darby
2 At that time Jehovah said to Joshua, Make thee stone-knives, and circumcise again the children of Israel the second time.
KJV
2 At that time the LORD said unto Joshua, Make thee sharp knives, and circumcise again the children of Israel the second time.