a grip extension linkage to provide a gripping tool having radial gripping elements with an improved operational range . the grip extension linkage includes at least one annular body having a central internal bore and an peripheral external surface . there is provided rigid elongated spokes . spoke guides are provided on the annular body . the spoke guides are in close fitting relation with the spokes to constrain the spokes while allowing them to move radially from a retracted position to an engaged position .