It wouldn't be hard to design this feature. Just put a slot in the drive piece and insert different size pins in the slot to limit the drive piece's motion. Sorta like the revolver safety that blocks the hammer from hitting the firing pin.

> got what they claim is adjustable depth. It's targeted at electricians,
> claiming that you can adjust the gun so that it will staple wires
> against studs without crushing the wire. That could have some very
> nice implications for strip built boats if it works as advertised.
>