Self adjusting grooved pliers (10) include a first section (12) having a jaw portion (13) and a channel (18) adjacent the jaw portion (13) and a second section (14) having a jaw portion (15) and a pivot (16). The pivot (16) is slidably received in the channel (18) for adjustment between the jaw portions (13, 15). A plurality of grooves (20) in the first section (12) and a tongue (22) on the second section (14). The tongue (22) is received in one of the grooves (20). A biasing assembly (24) acts on the pivot (16).
