These tools are chisels, hammers and other items used by carpenters.
He may be shown with almost any carpenter tool but is frequently shown holding a carpenter's square.
All chisels, saws and awls are usually very sharp.
Joseph was a carpenter by profession so is sometime pictured holding a carpenter's square or other such tool of the carpenter trade.
a Plane
a hammerhead shark
The carpenter tried out his newfangled tool.
Joseph was a carpenter by profession so is frequently picture with carpenter tools.
Every time a carpenter produces something using a tool, they are making use of production tech. Every time they build a tool, they are enabling production tech.
Most likely NOT, that would be glaziers tool.
Bench plane or block plane
There is no constellation known as the Carpenter's Square. The Carpenter's Square is a tool used in woodworking and construction, not a designated grouping of stars in the night sky.
because he had a SAW hand