This 3/4 inch extension bar is built to handle tough conditions and it's made from high-quality CrV 50BV30 steel. The bar is 400 mm long, giving you great reach and power transfer when working in hard-to-get spots. The chrome plating and satin finish boost corrosion resistance and make the tool look sharp. It's DIN 3121 standard, so it's compatible and reliable. For heavy-duty use.
Features

Material: CrV 50BV30, provides durability and strength.
Length: 400 mm.
Drive adapter size: 3/4" (19.0 mm).
Shaft diameter: 22 mm.
Tool holder size: 3/4" (19.0 mm).
Outer diameter: 36 mm.
Surface finish: Chrome plated and satin finished.
Standard: DIN 3121.

Applications
This extension bar is a great add-on for auto shops, industrial maintenance, and other pro uses where you need extra reach. It's perfect for servicing heavy machines and equipment, plus big installations where regular tools just won't cut it.
Instructions
Attach the extension bar to the right socket and tool, making sure everything fits tight and secure. Use it like any other socket wrench part, keeping the work area safe and wearing protective gear if needed.
Warnings

Check the extension bar and socket connections before use and make sure they're properly secured to each other.
Don't use the extension bar as a lever for force; it's only for transferring torque.
Store the tool in a clean, dry place to prevent corrosion.