The Rufus Dawg Ultra ThreadKap Kit; Fits HPA Tanks Protect your Goods! The Ultra ThreadKap Kit is the ultimate in protection for your expensive HPA Bottles. The kit includes a ThreadKap for the main bottle threads, a FillKap for the Fill Nipple and a GageKap for the Pressure Gage. The Stylish design and multiple color choices let your personalize while the special energy absorbing material will cushion and protect your expensive equipment. Tired of losing your protective caps? The always-on connector straps will keep your Kaps where you need them. Just stretch the connector strap over the pressure gage, then pop-on the Kaps. Rufus Dawg is so confident that the Ultra ThreadKap Kit comes with a full 1 year manufacturers warranty. Features: Energy absorbing material helps protect from damage.Unique design helps prevent damage.Fits all HPA Nitro Bottles with 1" Diameter Pressure Gage.Includes Full 1 Year Manufacturers Warranty.