Eclipse Plug Chisel 10" X 5/8"

Amazon

For cutting out mortar from between bricks Manufactured from hard wearing chrome vanadium Need re-sharpening less often Even more resistant to mushrooming after prolonged use, Weight: 3.95 pounds, Manufacturer: Spear & Jackson

Zoro Tools

Eclipse Chisels and Bolsters are manufactured from hard wearing chrome vanadium, so need less re-sharpening and are more resistant to mushrooming after prolonged use