Phil BB cups, installation tools and cartridges have been manufactured since they began in 1971. All sold separately.<li>Every Phil cartridge is compatible with PW cups and tools</li><li>All Phil BB cups use the Phil BB cup installation tool (sold separately)</li><li>British and Italian anodized alloy cups are Teflon impregnated providing compatibility with aluminum and titanium BB shells. Installation instructions should be strictly adhered to eliminate possible galling.</li>