Birchwood Casey Magnetic Armorer's Block - Holds pistol components during maintenance and disassembly. Easily remove pins on most pistols, rifles, and shotguns Integrated magnet holds pins and small parts Non-marring polymer material won't harm the pistol's finish Solvent safe - won't fade, wear, or crack when exposed to common gun cleaning chemicals 1911-barrel bushing tool and main spring removal tool included Compatible with Glock 2, 3, or 4 pin trigger assemblies