Channellock GL10CB 9.5-Inch Grip Lock Tongue and Groove Plier with Code is $18.95 at Amazon, down from the store's own list price of $28.46. That's 33% off ($9.51 less). We last checked this price on Nov 2, 11:36 PM ET. Prices at the store can change at any time, so check before you buy. Brand: Channellock. Type: HVAC, plumbing & electrical. Picked for Plumbing.