For firearm assembly and disassembly, the Universal Bench Block is your best friend.
It
features a variety of notches, grooves, and holes on both sides and is
ideally suited for M1911-style pistols. Need to install a pin, detent,
or spring? The Universal Bench Block is the answer. 1-5/16? high, 4? in
diameter.
Non-marring urethane for long use.