SharkBite PVC Fitting UIP716A 3-Pack Disconnect and Depth Gauge for &frac12; inch, &frac34; inch and 1 inch PVC Pipe Make a mistake with PVC transition installation no problem with SharkBite PVC transition fittings. Disassembly is fast and easy using this tool Tool can also be used as a depth-gauge to mark cvp pipe for accurate insertion Will release the white collar of a SharkBite iron pipe size fitting on sch. 40, 80, 120 PVC and sch. 40 and sch. 80 cpvc