Check the listing for details. P2 brand Empty Chamber Safe Chamber Flags Rifle Pistol Range Safety - YELLOW. Condition: New. Listed at 6.95 USD. You are buying one package of quantity 3 Chamber Safe Flags in YELLOW. Chamber Flags visually communicate a SAFE Weapon from afar. Also known as Open Bolt Indicator (OBI) or Empty Chamber Indicator (ECI), the brightly colored flag obstructs the firing chamber and alerts the range officer and other shooters that the fire arm chamber is empty! This item will work in most (.22 caliber - 12 gauge) pistols and rifles. The shaft is 4" (102mm) in length and is .195" (4.91mm) wide at the shaft. Send me a photo of the flag in your usage, I'll add it to my listing... Note: For my .22 Pistol to reduce the friction from the curvature, I cut the shaft with a wire cutter and rounded the end with a common nail file (just my personal preference). However, I do have a Rimfire version in a separate eBay listing. Shipment to USA only via USPS First Class mail service. We use new and recycled package materials to protect your purchase and the environment. If you have Zero or Negative Feedback, please contact us prior to placing your bids. P2 is a mark used by P-Squared Services, LLC.