an interchangeable grip system for golf putters includes an inner sleeve installed on the butt end of a putter shaft , and a plurality of pre - manufactured outer grip sleeves adapted for universal removable installation on the inner sleeve . the look and / or feel of the putter may be changed by simply removing the outer sleeve and replacing it with an alternate outer sleeve . a threaded fastener secures the outer sleeve to the inner sleeve , and may further function to permit weight adjustment . a plurality of weighted fasteners is provided to allow for the overall weight of the putter to be adjusted . each fastener is provided with a keyed head that requires a compatible tool or wrench for tightening and removal . a hand - tool is provided to allow for quick and easy removal of the fastener , and further functions to store various weighted fasteners to allow for weight adjustment .