Check the listing for details. 3/4" PEX COPPER RING CRIMPER CRIMPING TOOL 16" GoNoGo. Condition: New. Listed at 59.99 USD. Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 3/4" PEX COPPER RING CRIMPER PLUMBING CRIMPING TOOL with Go No Go Gauge PRODUCT DETAILS: This PEX Crimp Tool is for use with 3/4" PEX copper crimp rings. Go No Go Gauge crimping tool for calibration. Color of handle may be vary Crimp Rings vs. St. Steel Clamps: PEX crimp tool is used together with Copper Crimp Rings and this method remains one of the most popular and reliable ways to connect PEX. Unlike with Stainless Steel Clamps, which only tighten the ring over the surface of the pipe, Copper Crimp Rings firmly compress over every single point of contact with the pipe. The pressure that PEX Crimp Tool implements is tremendous, and when applied to the Copper Crimp Ring, provides reliable and professional connection (assuming that the tool is properly calibrated and the connection is done properly). The handles can be red or yellow. Compatible with all standard Copper Crimp Rings and supplies.