The Park CWP-7 Crank Wrench Puller is the perfect addition to any workshop. The CWP-7 is a compact crank puller workshop toolwith a built-in 8mm hex for removing crank bolts. Includes two rotating tips (11.3 mm and 16.3 mm) so it can be used to remove splined Octalink and ISIS Drive crank arms, as well as square-holed crank arms. A must have multi-fit crank puller for the home mechanic. Park ToolCWP-7 Crank Wrench Puller Features Weight - 0.5 lbs Built-in 8mm hex for efficient removal of crank bolts Two rotating tips (11.3mm and 16.3mm) and a multi-fit function for removal of several crank arms More info