Yes you can use a jigsaw to cut 2×4 because a jigsaw is a precision tool with a thin blade,
the great thing that makes it ideal at cutting intricate shapes on thin material (cutting shapes and curves in wood).
cut a 2×4 piece of framing lumber with a jigsaw and by using this product you imagine how precise you taken results from this tool.

Co-Founder Cord To Cordless
Huzmad is a hobbyist and experienced person from the wood and metal industry. Only try to build constructive things using corded and cordless tools.
In addition to his construction experience, Huzmad also a Gardener and home improver Whether it was helping brothers to make cedar cabinets, and use the machines as a passion to do-it-yourself mentality runs strong trust in this field
I am excited to help you to handle your projects and discover new ways to improve your home and reduce your efforts by doing well at your jobs.