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"e; high, 4"e; in diameter.

Non-marring urethane for long use.