If you are looking for a Tongue and Groove Plier, the KNIPEX 87 03 180 7-1/4" Knipex Cobra Water Pump Pliers is what you need. The tool has been designed to help you in tough applications with its v-jaw style. With chrome vanadium electric steel construction, this tongue and groove plier is resistant to corrosion. It has a dipped handle that offers increased comfort while also protecting against slippage. The plier jaw style is V-Jaw, which means it will be able to grip round parts securely. The jaw opening measures 1 1/2 in., so it can fit around bolts of different sizes. This KNIPEX Tongue and Groove Plier will meet all your needs when working on projects requiring one of these tools.