The BPB2SA 5/8" Light Spigot with Mounting Hardware is designed to mount to the BLPB2 Profoto Cage. The 5/8" Light Spigot easily mount the PMG Cage and allows a B2 head to be mounted for storage. The BPB2SA 5/8 Light Spigot also works great as a background light stand, useful for tabletop work and perfect for storage. The BPB2SA is machined in the USA out of durable and high quality Stainless Steel. The BPB2SA comes complete with 2 mounting screws and allen key. The BLPB2 Profoto Cage is a great accessory for the B2 light kit and allows the power pack to be removed from the carry bag. This allows quick access to the battery and also allows for great heat dispersion. The BPB2SA also features multiple 1/4-20 female holes to attach accessories such as a ball or sphere mount. The original Profoto Battery Strap also fits onto the BLPB2 Cage.