The Park Tool HCW-17 Fixed Gear Lockring Wrench features two different radius hooks for a precise fit on most fixed-gear lockrings. The HCW-17 has two different ends. Park ToolHCW-17Fixed GearLockringWrench Features Double ended Fixed-Gear Lockring Wrench Features two different radius hooks for a precise fit on most fixed-gear lockrings 11-5/8 inches (29 cm) in length for excellent leverage Made in the USA and covered by Park Tool's legendary limited lifetime warranty More info