TheWolf Tooth T25 L-Wrenchis a high quality long handle T25 Torx L-wrench.This is the wrench size needed to remove/install the SRAM direct mount chainrings. It can be difficult to properly engage a socket into these bolts because the crank spindle is very close to the bolts. Wolf Tooth T25 L-Wrench Specifications Size: 3"x1" Weight: 10g Shape: Torx More info