Ridgid 91192 Model RT3422 Tapping Tool With 3/4 In. - 2" CST Set (Flared) is designed for branching pressurized water steam and natural gas Mains. With up to 2" Capacity corrosion-proof design ability to Handle most types of material and Lightweight the Model RT3422 is the tool to meet your tapping needs. Features: Easy to use. At only 21 In. this Lightweight and compact tool is great for tight quarters and awkward locations. Heavy Duty Design. Sturdy machined corrosion-resistant materials for dependable lifelong benefits. Built-in Bleed valve. Allows for easy purge of chips. Independent cutter feed gives the operator total independent control of the cutter feed rotation for optimal Saw life. Taps a variety of materials. The RT3422 is capable of tapping into Steelcast iron ductile iron and plastic pipe. RT3422 is capable of tapping Mains of: Water up to 500 psig. SteamAir and natural gas up to 150 psig. Coupon retaining bits. Exclusive pilot bits give you the confidence that the coupon will not be dropped in the pipe preventing medium contamination or possible damage of downstream equipment.