“ Manufacturer: X-Tools / Type: Bike Tool „
"X-Tools Aluminum Crank Instalation Tool. Tools. Aluminium crank installation tool for use with Shimano® and Truvativ® •The tool is made from aluminium which used to remove and install crank arm adjustment cap. •Engages the 8 internal splines of the crank arm adjustment cap. •Use with 6 mm hex key"