Check the listing for details. HK Army Thread Guard Protector for Paintball Tank Valve Regulator - PEWTER. Condition: New. Listed at 12.49 USD. HK ArmyTank Thread Saver - Pewter The most likely time for damage to occur to you air tanks is when they are being stored or transported. Prior to storage, simply screw on the HK Army Thread Guard to ensure the compressed air regulator or C02 tank threads stay protected from damage. This also has a handy groove on the top of it that securely holds two spare o-rings for those unforeseen moments the tank o-ring breaks at the paintball field.Machined aluminum coverScrews onto top of tank regulatorLasered HK Army Icon Logo Fits all paintball air system regulatorsIncludes two spare tank o-rings Being sold by reputable paintball dealer (PB Sports) Payment may be made by PayPal, MasterCard, Visa, Discover, or American Express. If you want to pay with credit card outside of Paypal, select credit card at checkout, then call us to arrange payment. FREE Standard Shipping! Upgrade to USPS Priority Mail for only $3.00 more! $9.95 for UPS Ground in 48 states. We Do Not Ship Outside the United States, sorry.